Mark Lonow
Acting
Biography
No biography available.
Latest News
Known For
8.1
Columbo
1971 · TV
7.3
Beverly Hills, 90210
1990 · TV
7.2
Chicago Hope
1994 · TV
8.0
Quantum Leap
1989 · TV
5.5
Falcon Crest
1981 · TV
6.5
Murphy Brown
1988 · TV
7.6
The Rockford Files
1974 · TV
7.8
Sabrina, the Teenage Witch
1996 · TV
7.5
Moonlighting
1985 · TV
7.8
All in the Family
1971 · TV
6.0
National Security
2003 · Movie
7.9
Madame's Place
1982 · TV
Filmography
2025
D(e)ad
Movie · Harris
7.0
2011
Looking for Lenny
Movie · Self
5.2
2003
National Security
Movie · Detective at Interrogation
6.0
2000
DAG
TV · Dr. Robert Pastore
7.0
2000
Bar Hopping
Movie · Agent 2
4.7
1998
Conrad Bloom
TV · Mr. Chapman
10.0
1998
Rude Awakening
TV · Max Frank
6.6
1997
Truth or Consequences, N.M.
Movie · Alan Gryder
6.2
1996
Sabrina, the Teenage Witch
TV · Dr. Braverman
7.8
1996
City Hall
Movie · Lenny Lasker
6.0
1995
Never Say Never: The Deidre Hall Story
Movie · Marcus
8.0
1994
Chicago Hope
TV · Porsche Driver
7.2
1994
Confessions of a Hitman
Movie · Jeffrey
6.3
1993
Good Advice
TV · Sutherland
7.0
1992
Mr. Saturday Night
Movie · Producer
5.9
1991
The Entertainers
Movie
9.0
1991
Tagteam
Movie · Marty
6.6
1990
Beverly Hills, 90210
TV · Chick Schneider
7.3
1989
Quantum Leap
TV · Lou Collins
8.0
1988
Murphy Brown
TV · Jerry Weiss
6.5
1987
Young Harry Houdini
Movie · Assistant
7.3
1985
Moonlighting
TV · Ronald "Ron" Sawyer
7.5
1982
Madame's Place
TV · Walter Malice
7.9
1981
Falcon Crest
TV · Music Producer
5.5