
Acting · 86 years old
Brooklyn, New York City, New York, USA
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).

Cagney & Lacey: True Convictions
Harvey Lacey

Master of Dark Shadows
Self

Hallmark Hall of Fame
Ned

Hunter
Power plant worker

All in the Family
Leo

In a Child's Name
Joe Silvano

Hill Street Blues

The Rockford Files
Leo

Murder, She Wrote
Lt. Martin McGinn

Murder, She Wrote
Patrick MacNair

Murder, She Wrote
Superintendent Arthur Joyce

Quincy, M.E.

Quincy, M.E.
Agent Brice

Perry Mason: The Case of the Glass Coffin
Jake Morrison

Lou Grant
Ken Navaretti

Starsky & Hutch

Dark Shadows
Willie Loomis

The Waltons
Rev. Ezekiel L. Henshaw

Hawaii Five-O
Harris

The Hardy Boys / Nancy Drew Mysteries