Acting
Mark Costello
Place of birth
St. Louis, Missouri, United States
Known for
Acting
Credits
36 titles
Mark began working professionally in Los Angeles back in 1983, when he booked his first job as the "Starter" in, Hot Dog...the Movie". He continued working numerous Co-Star and Guest spots on episodic TV such as, "Murder She Wrote, "Dynasty," Knots Landing," "Who's the Boss," "LA Law," "Full House", "Seventh Heaven," "ER," "N.Y.P.D. Blue," "The West Wing," and "Criminal Minds." Mark also had recurring roles on such television shows as, "Bay City Blues," "JAG", and "First Monday." In 1990, Mark had a three year contract on the FOX youth oriented drama, "Tribes". Mark was very established in the theatre world in Los Angeles, having won Best Actor in a Feature Role from Stage Scene LA, for his …
Known for
7.3Harmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge Advocate General) division, the elite legal wing of officers that prosecutes and defends those accused of military-related crimes. He works closely with Lt. Col. Sarah Mackenzie, and together they do what needs to be done to find the truth.
JAG
1995
8.3The West Wing provides a glimpse into presidential politics in the nation's capital as it tells the stories of the members of a fictional presidential administration. These interesting characters have humor and dedication that touches the heart while the politics that they discuss touch on everyday life.
The West Wing
1999
7.7He's everyone's favorite action hero... but he's a hero with a difference. Angus MacGyver is a secret agent whose wits are his deadliest weapon. Armed with only a knapsack filled with everyday items he picks up along the way, he improvises his way out of every peril the bad guys throw at him. Making a bomb out of chewing gum? Fixing a speeding car's brakes... while he's riding in it? Using soda pop to cook up tear gas? That's all in a day's adventures for MacGyver. He's part Boy Scout, part genius. And all hero.
MacGyver
1985
7.8ER explores the inner workings of an urban teaching hospital and the critical issues faced by the dedicated physicians and staff of its overburdened emergency room.
ER
1994
7.5An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.
Murder, She Wrote
1984
6.9The domestic adventures, misdeeds and everyday interactions of five families living on a cul-de-sac in a small California community.
Knots Landing
1979
Film credits
2020s · 3 titles
6.3Alice, a young innocent Catholic girl, is tempted into masturbating after an AOL chat suddenly turns sexual, however is conflicted as the act would be considered a sin.
Yes, God, Yes
2020
6.2Get in the holiday spirit with this cozy, crackling fire.
Adult Swim Yule Log
2022
NRAfter being compassionately released from prison, a terminally ill man navigates through his remaining days trying to reconnect with his estranged son.
Charles Sloan
2023
2010s · 3 titles
7.2After learning that his terminally ill wife has six months to live, a man welcomes the support of his best friend who moves into their home to help out.
Our Friend
2019
5.3When a new airplane that's equipped with a new computer that can fly the plane on its own, is about to have its first flight. But the son of the owner decides to upload more software, he doesn't bother to check if there are any viruses with it. And he also invites some potential investors to try it. So the plane appears to be working well but suddenly it veers off course and it can't be shut down. When the military learns of this and fears what if something happens if it's over a populated area; decides to shoot it down along with everyone on board. The man who built the computer whose wife is among the passengers thinks if he can get on board he might be able to shut it down and regain control of the plane. So the military using a new plane gets him on board. But what he didn't know is that both pilots are incapacitated so there's no one who can fly the plane.
Turbulent Skies
2010
3.5A pair of weed-loving, free lance video journalists find themselves targeted by a mark they slandered in one of their exposes.
Doobious Sources
2017
2000s · 3 titles
5.7Separated after 15 years of marriage, Vicki and Jason are set up by their two teenage children to spend a Christmas vacation together on the beach. But their family vacation is further complicated when Vicki's boss and Jason's gorgeous assistant show up. As Jason spends more time with Vicki, it becomes clear that this marriage is far from over, and he decides to propose to her all over again. It will take a lot of luck, plenty of love and a little dose of magic to bring this family back together again.
An Accidental Christmas
2007
3.9Dr. Maddy Rierdon, an investigator for the Department of Agriculture, is the only person who can protect America from a deadly breed of bioengineered locusts.
Locusts
2005
3.8A young math genius discovers a huge solar storm on the verge of destroying the Earth's power grid and he must alert the world before a powerful businessman stops him.
Solar Flare
2008
1990s · 3 titles
3.4Lord Doom, evil master of Proyas, the Dark Planet, sends Kraa the Sea Monster to Earth as part of his plan to dominate the galaxy. To keep the meddling hands of the Planet Patrol out of his scheme, he incapacitates their nearby space station. Fortunately, the alien agent Mogyar is on hand to land on Earth to stop the giant sea-beast. Accidentally landing in New Jersey rather than Italy (where scientists could have helped Mogyar build a weapon to stop Kraa), Mogyar must overcome his stereotypical Italian accent and strange appearance in order to ally with nearby humans to save the day.
Kraa! The Sea Monster
1998
4.6An "average" postal worker is informed by a tiny alien hologram which looks like a teenage girl that he is the "choosen one" to destroy a giant reptile to save the Earth.
Zarkorr! The Invader
1996
4.5Faith is a young dancer, whose parents are killed in a plane crash. Dancing is her refuge, but the streets of Los Angeles can be dangerous for a lonesome woman.
Faith
1990
1980s · 3 titles
4.8When a hopeful young American hot-dogger goes pole-to-pole with an arrogant Austrian pro, the snow really starts to fly! But as hot as it is on the mountain, it gets even hotter off when the pro's ex-girlfriend sets her eyes on the new blood. Who'll win the competition and the girl? Only a race to end all races can determine which skier can really cut the mustard!
Hot Dog... The Movie
1984
3.8All hilarity breaks loose in this rousing and raucous tale of Hollywood hi-jinks and chicanery as a teenage delinquent turns plumber... and turns up in Hollywood Hot Tubs. After changing the famous "Hollywood" sign to "Hollyweed," Shawn Wright is given a choice of jail or getting a job. He takes a job as a hot tub plumber, and thus begins his arduous adventure into the wild world of sensuous starlets and star-studded parties in bubbling Hollywood tubs.
Hollywood Hot Tubs
1984
9.0Two unorthodox, anything-goes law enforcement partners, unencumbered by regulations and the law, search for the killer of a fellow U.S. Marshal in this lighthearted, busted pilot film.
U.S. Marshals: Waco & Rhinehart
1987
Series credits
7.3Harmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge Advocate General) division, the elite legal wing of officers that prosecutes and defends those accused of military-related crimes. He works closely with Lt. Col. Sarah Mackenzie, and together they do what needs to be done to find the truth.
JAG
1995
7.3Harmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge Advocate General) division, the elite legal wing of officers that prosecutes and defends those accused of military-related crimes. He works closely with Lt. Col. Sarah Mackenzie, and together they do what needs to be done to find the truth.
JAG
1995
7.3Harmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge Advocate General) division, the elite legal wing of officers that prosecutes and defends those accused of military-related crimes. He works closely with Lt. Col. Sarah Mackenzie, and together they do what needs to be done to find the truth.
JAG
1995
8.3The West Wing provides a glimpse into presidential politics in the nation's capital as it tells the stories of the members of a fictional presidential administration. These interesting characters have humor and dedication that touches the heart while the politics that they discuss touch on everyday life.
The West Wing
1999
7.7He's everyone's favorite action hero... but he's a hero with a difference. Angus MacGyver is a secret agent whose wits are his deadliest weapon. Armed with only a knapsack filled with everyday items he picks up along the way, he improvises his way out of every peril the bad guys throw at him. Making a bomb out of chewing gum? Fixing a speeding car's brakes... while he's riding in it? Using soda pop to cook up tear gas? That's all in a day's adventures for MacGyver. He's part Boy Scout, part genius. And all hero.
MacGyver
1985
7.8ER explores the inner workings of an urban teaching hospital and the critical issues faced by the dedicated physicians and staff of its overburdened emergency room.
ER
1994
7.5An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.
Murder, She Wrote
1984
7.5An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.
Murder, She Wrote
1984
7.5An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.
Murder, She Wrote
1984
6.9The domestic adventures, misdeeds and everyday interactions of five families living on a cul-de-sac in a small California community.
Knots Landing
1979
7.5After the death of his wife, Danny enlists his best friend and his brother-in-law to help raise his three daughters, D.J., Stephanie, and Michelle.
Full House
1987
7.6The tranquility in a serene, wealthy community inhabited by some of the world's most prominent individuals explodes when a shocking murder occurs and a high stakes investigation unfolds.
Paradise
2025
8.1Chris is a teenager growing up as the eldest of three children in Brooklyn, New York during the early 1980s. Uprooted to a new neighborhood and bused to a predominantly white middle school two-hours away by his strict, hard-working parents, Chris struggles to find his place while keeping his siblings in line at home and surmounting the challenges of junior high.
Everybody Hates Chris
2005
6.4Reverend Eric Camden and his wife Annie have always had their hands full caring for seven children, not to mention the friends, sweethearts and spouses that continually come and go in the Camden household.
7th Heaven
1996
7.0Rachel Burke is a criminal profiler, one of the best, actually. She, along with a sophisticated team of specialists on the FBI's Violent Crimes Task Force in Atlanta, investigates crimes throughout the country. Together, they solve the toughest of cases while trying to live their lives as best they can.
Profiler
1996
7.2Crazy Like a Fox is an American television series set in San Francisco, California, that aired on CBS from December 30, 1984 to May 3, 1986.
Crazy like a Fox
1984
6.1This provocative hit series tells the stories of dangerous women who find extraordinary ways of coping with their problems, channeling their survival instincts and bringing out their inner guile.
Femme Fatales
2011
5.4This irreverent late-night comedy series brings to life unbelievable, ripped-from-the-headlines tales of the Sunshine State. Featuring interviews with everyday Floridians and playful recreations starring a rotating cast of actors and comedians, this hilarious and outrageous series sheds light on the viral, wacky, and weird.
It's Florida, Man.
2024
7.6A police drama about the working relationship between Assistant DA Tess Kaufman, a prosecutor sensitive to the rights of the accused, and hard-charging, gruff Detective Dicky Cobb, an old-fashioned cop with a "bust-the-perps" attitude. Reasonable Doubts was broadcast in the United States by NBC and ran from 1991 to 1993.
Reasonable Doubts
1991
6.9A snap of a twig. A rustling leaf. In the woods, myth, urban legend, and horror collide with real-life killers. Transporting viewers into a vortex of dark mystery and psychological terror, each episode tells the true story of a crime set in a desolate location.
Dead Silent
2016
Tribes is a daily half-hour soap opera geared at a teen audience that aired briefly on the Fox network in 1990. Created by veteran soap writer Leah Laiman, the cast included Michelle Stafford, who later went on to star on The Young and the Restless. It is the only daily soap opera Fox has ever aired.
Tribes
1990