Filmes atuados
No Amor e Na Guerra
Bud Salsig
Perseguição Mortal
Hawkins
The Manitou
Dr. Jack Hughes
Day of the Animals
Frank Young
Little Cigars
Faust
By Dawn's Early Light
SAC Colonel
Asteroid
General Smith
Capricórnio Um
F.B.I. Man Number 1
Filmes dirigidos
The Manitou
Screenplay
The Manitou
Associate Producer
Séries atuadas
Kojak
Crowell
Guerra, Sombra e Água Fresca
Mannheim
The Inside
Judge Hawthorne
Run for Your Life
Nat Stevens
Tales from the Darkside
Syd Grossinger
Arquivo Confidencial
Agent Thomas Raval
Guerra, Sombra e Água Fresca
Cpl. Langenscheidt (as John Cedar)
Guerra, Sombra e Água Fresca
Cpl. Langenscheidt (uncredited)