
Acting
John Harmon was born on June 30, 1905 in Washington, USA as Johann Hermann Legler. He was an actor and production manager, known for Star Trek: The Original Series (1966), King of the Underworld (1939) and The Monster of Piedras Blancas (1959). He died on August 6, 1985 in Los Angeles, California, USA.

Microwave Massacre
as Dr. Gestalp

Malibu High
as Mr. Elmhurst

Hitch Hike to Hell
as Mr. Baldwin

The Unholy Rollers
as Doctor

The Honkers
as Sam Martin

Lassie: The Adventures of Neeka
as Clay Bowers (archive footage)

Funny Girl
as Company Manager

Texas Across the River
as Gabe

Las Vegas Hillbillys

Sylvia
as Sid (uncredited)

Emergency!
as Man with Heart Problems (uncredited) · 1 ep.

Sarge
as Francis · 1 ep.

McCloud
as Man in Hallway (uncredited) · 1 ep.

The Odd Couple
as Ira · 1 ep.

Marcus Welby, M.D.
as Mr. Glick · 1 ep.

The Bill Cosby Show
as Mr. Gustaitis · 1 ep.

Adam-12
as Pawnbroker · 1 ep.

Land of the Giants
as Groom · 1 ep.

Here's Lucy
as Moose Murdock · 1 ep.

Mayberry R.F.D.
as Mr. Hazlett · 1 ep.
Stranger on the Third Floor
1940