Biography
John Karlen (born John Adam Karlewicz) was an American character actor who played multiple roles (Willie Loomis, Carl Collins, William H. Loomis, Desmond Collins, Alex Jenkins, and Kendrick Young) on the ABC serial Dark Shadows, in various episodes which aired from 1966 to 1971. Karlen also played Harvey Lacey, husband of Mary Beth Lacey (played by Tyne Daly), on the CBS crime series Cagney & Lacey (1982–88).
Filmography
Cast Credits

Master of Dark Shadows
Character: Self
MOVIE • 2019

Cagney & Lacey: True Convictions
Character: Harvey Lacey
MOVIE • 1996

Cagney & Lacey: The View Through the Glass Ceiling
Character: Harvey Lacey
MOVIE • 1995

Cagney & Lacey: Together Again
Character: Harvey Lacey
MOVIE • 1995

Cagney & Lacey: The Return
Character: Harvey Lacey
MOVIE • 1994

Roseanne: An Unauthorized Biography
Character: Jerry Barr
MOVIE • 1994

MacShayne: Winner Takes All
Character: Waldo Church
MOVIE • 1994

Surf Ninjas
Character: Mac
MOVIE • 1993

Without Warning: Terror in the Towers
Character: Jack McAllister
MOVIE • 1993

Mad About You
Character: Gus Stemple
TV • 1992

Calendar Girl, Cop, Killer? The Bambi Bembenek Story
Character: John Garner
MOVIE • 1992

The Dark Wind
Character: Jake West
MOVIE • 1992

In a Child's Name
Character: Joe Silvano
TV • 1991

Perry Mason: The Case of the Glass Coffin
Character: Jake Morrison
MOVIE • 1991

Nightmare on the 13th Floor
Character: Sgt. Madden
MOVIE • 1990

Snoops
Character: Sam Akers
TV • 1989

Babycakes
Character: Al
MOVIE • 1989

The Cover Girl and the Cop
Character: Lieutenant Wingo
MOVIE • 1989

Police Story: Burnout
Character: Capt. Harrison
MOVIE • 1988

Date Rape
Character: Joe Farrell
MOVIE • 1988