Mark Lonow

★ Acting #132,574

• Acting

Known for: Acting

Mark Lonow

★ Acting #132,574

Known For

Sabrina, the Teenage Witch

78%

Dr. Braverman

1996

Columbo

81%

Ted Malloy

1971

Beverly Hills, 90210

73%

Chick Schneider

1990

Quantum Leap

80%

Lou Collins

1989

Moonlighting

75%

Ronald "Ron" Sawyer

1985

All in the Family

78%

Pete Gavaris

1971

Kathleen Madigan: Madigan Again

77%

Executive Producer

2013

The Rockford Files

76%

Coco

1974

D(e)ad

70%

Harris

2025

D(e)ad

70%

Executive Producer

2025

Kathleen Madigan: Madigan Again

77%

Executive Producer

2013

Looking for Lenny

52%

Self

2011

Kathleen Madigan: Gone Madigan

71%

Executive Producer

2010

Lewis Black: Stark Raving Black

70%

Executive Producer

2009

Lewis Black: Red, White & Screwed

67%

Executive Producer

2006

Lewis Black: Black on Broadway

69%

Executive Producer

2004

National Security

60%

Detective at Interrogation

2003

DAG

70%

Dr. Robert Pastore

2000

Bar Hopping

47%

Agent 2

2000

Conrad Bloom

100%

Mr. Chapman

1998

With Friends Like These

65%

Co-Producer

1998

Truth or Consequences, N.M.

61%

Alan Gryder

1997

Sabrina, the Teenage Witch

78%

Dr. Braverman

1996

City Hall

60%

Lenny Lasker

1996

Never Say Never: The Deidre Hall Story

80%

Marcus

1995

Chicago Hope

72%

Porsche Driver

1994

Confessions of a Hitman

63%

Jeffrey

1994

Good Advice

70%

Sutherland

1993

Mr. Saturday Night

59%

Producer

1992

The Entertainers

90%

1991

Tagteam

66%

Marty

1991

Beverly Hills, 90210

73%

Chick Schneider

1990

Quantum Leap

80%

Lou Collins

1989

Murphy Brown

65%

Jerry Weiss

1988

Young Harry Houdini

73%

Assistant

1987

Moonlighting

75%

Ronald "Ron" Sawyer

1985