
Mark Costello
Acting
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 performances in,"Finding Fossils" and "John is a Father" at The Road Theatre, as well as "Mom's Dead", at Sacred Fools. Mark appeared with Susan Sullivan and David Selby in Edward Albee's, "A Delicate Balance," at the Odyssey Theatre , which won the LA Drama Critics Circle McCulloh Award for Best Revival. Mark moved to Atlanta in 2017 and has appeared in the films, "Yes, God, Yes," "Our Friend" and the independent feature film, "Charles Sloan", which he played the title role, and which won For Best Full Length Feature Film at the 2022 Raleigh Film and Arts Festival.
Filmography

Charles Sloan
Oct 8, 2023

Adult Swim Yule Log
Dec 11, 2022

Yes, God, Yes
Jul 24, 2020

Our Friend
Sep 4, 2019

Doobious Sources
Jan 2, 2017

Turbulent Skies
May 5, 2010

Solar Flare
Jun 9, 2008

An Accidental Christmas
Dec 9, 2007

Locusts
Apr 24, 2005

Zarkorr! The Invader
Apr 30, 1996

Faith
Mar 29, 1990

U.S. Marshals: Waco & Rhinehart
Mar 27, 1987

Hollywood Hot Tubs
Sep 7, 1984

Hot Dog... The Movie
Jan 13, 1984