Mark Lonow
Acting
Acting
D(e)ad
Harris
2025
Kathleen Madigan: Madigan Again
Executive Producer
2013
Looking for Lenny
Self
2011
Kathleen Madigan: Gone Madigan
Executive Producer
2010
Lewis Black: Stark Raving Black
Executive Producer
2009
Lewis Black: Red, White & Screwed
Executive Producer
2006
Lewis Black: Black on Broadway
Executive Producer
2004
National Security
Detective at Interrogation
2003
DAG
Dr. Robert Pastore
2000
Bar Hopping
Agent 2
2000
Conrad Bloom
Mr. Chapman
1998
With Friends Like These
Co-Producer
1998
Rude Awakening
Max Frank
1998
Truth or Consequences, N.M.
Alan Gryder
1997
Sabrina, the Teenage Witch
Dr. Braverman
1996
City Hall
Lenny Lasker
1996
Chicago Hope
Porsche Driver
1994
Confessions of a Hitman
Jeffrey
1994
Good Advice
Sutherland
1993
Mr. Saturday Night
Producer
1992
The Entertainers
1991
Tagteam
Marty
1991
Beverly Hills, 90210
Chick Schneider
1990
Quantum Leap
Lou Collins
1989
Murphy Brown
Jerry Weiss
1988
Young Harry Houdini
Assistant
1987
Moonlighting
Ronald "Ron" Sawyer
1985
Madame's Place
Walter Malice
1982
Falcon Crest
Music Producer
1981
The Last Married Couple in America
Tom
1980
City in Fear
Henry Zeller
1980
Thank God It's Friday
Dave
1978
The Rockford Files
Coco
1974
Columbo
Ted Malloy
1971
All in the Family
Pete Gavaris
1971