We dont have a biography for Mark Lowenthal
2011S.O.S.: State of Security as Self
1998Where the Elephant Sits as Unknown
1996My Fellow Americans as NSA Agent Caldwell
1993My Life as Dr. Mills
1992Nickel & Dime as IRS Agent Watson "Dwayne" black suit
1991Iron Maze as Dr. Rathman
1991The Owl as Dr. Miller
1990Postcards from the Edge as Bart
1990Twin Peaks (1 Episode) as Walter Neff
1990Heart Condition as Ciao Chow Club Visitor
1990Dark Angel as Bruce the Scientist
1989Tales from the Crypt (1, 1 Episode) as Doctor, District Attorney (segment "The Man Who Was Death")
1989Scenes from the Class Struggle in Beverly Hills as Guest at Wake
1989Coach (1 Episode) as Kevin
1988Roseanne (1 Episode) as Ed the IRS Office Clerk
1987thirtysomething (1 Episode) as Unknown
198721 Jump Street (1 Episode) as Albert Janowitz
1986Sledge Hammer! (1 Episode) as Sketch Artist
1985Basic Training as Vladimir
1983Imps* as Bert
1998Where the Elephant Sits ... Director