Mark Lonow

D(e)ad

2025

as Harris

Looking for Lenny

2011

as Self

National Security

2003

as Detective at Interrogation

DAG

2000

as Dr. Robert Pastore

Bar Hopping

2000

as Agent 2

Conrad Bloom

1998

as Mr. Chapman

Rude Awakening

1998

as Max Frank

Truth or Consequences, N.M.

1997

as Alan Gryder

Sabrina, the Teenage Witch

1996

as Dr. Braverman

City Hall

1996

as Lenny Lasker

Chicago Hope

1994

as Porsche Driver

Confessions of a Hitman

1994

as Jeffrey

Good Advice

1993

as Sutherland

Mr. Saturday Night

1992

as Producer

The Entertainers

1991

Tagteam

1991

as Marty

Beverly Hills, 90210

1990

as Chick Schneider

Quantum Leap

1989

as Lou Collins

Murphy Brown

1988

as Jerry Weiss

Young Harry Houdini

1987

as Assistant

Moonlighting

1985

as Ronald "Ron" Sawyer

Madame's Place

1982

as Walter Malice

Falcon Crest

1981

as Music Producer

The Last Married Couple in America

1980

as Tom

City in Fear

1980

as Henry Zeller

Thank God It's Friday

1978

as Dave

Husbands, Wives & Lovers

1978

The Rockford Files

1974

as Coco

Columbo

1971

as Ted Malloy

All in the Family

1971

as Pete Gavaris