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Mark Lonow
Acting
Known For
8.1
TV
Columbo
1971
8.0
TV
Quantum Leap
1989
7.8
TV
All in the Family
1971
7.8
TV
Sabrina, the Teenage Witch
1996
7.6
TV
The Rockford Files
1974
7.5
TV
Moonlighting
1985
7.3
TV
Beverly Hills, 90210
1990
7.3
TV
Madame's Place
1982
7.2
TV
Chicago Hope
1994
7.0
TV
DAG
2000
Filmography
34 credits
All (35)
Movies (21)
TV (14)
6.7
D(e)AD
2025
7.7
Kathleen Madigan: Madigan Again
2013
5.4
Looking for Lenny
2011
7.1
Kathleen Madigan: Gone Madigan
2010
7.0
Lewis Black: Stark Raving Black
2009
6.6
Lewis Black: Red, White & Screwed
2006
6.8
Lewis Black: Black on Broadway
2004
6.0
National Security
2003
7.0
TV
DAG
2000
3.6
Bar Hopping
2000
N/A
TV
Conrad Bloom
1998
5.0
With Friends Like These
1998
6.2
Truth or Consequences, N.M.
1997
7.8
TV
Sabrina, the Teenage Witch
1996
5.9
City Hall
1996
7.2
TV
Chicago Hope
1994
6.0
Confessions of a Hitman
1994
6.0
TV
Good Advice
1993
5.7
Mr. Saturday Night
1992
N/A
The Entertainers
1991
6.0
Tagteam
1991
7.3
TV
Beverly Hills, 90210
1990
8.0
TV
Quantum Leap
1989
6.4
TV
Murphy Brown
1988
6.0
Young Harry Houdini
1987
7.5
TV
Moonlighting
1985
7.3
TV
Madame's Place
1982
5.5
TV
Falcon Crest
1981
4.2
The Last Married Couple in America
1980
5.1
City in Fear
1980
5.2
Thank God It's Friday
1978
7.6
TV
The Rockford Files
1974
8.1
TV
Columbo
1971
7.8
TV
All in the Family
1971
