Como Ator/Atriz
Mannix
Lou DeMorro
Viaje a las estrellas
Lieutenant Commander Giotto
El fugitivo
Sergeant Endicot
Hawaii 5-0
Abilleno
Misión: imposible
Tiso Kastner
The Untouchables
Brikka
The Outer Limits
Dr. Terrell
Hawaiian Eye
Mac
The Invaders
Lt. Alvarado
The Texan
Frank
Banacek
Lester Sawyer
Tombstone Territory
Jim Parker
The Case of the Dangerous Robin
Teddy Thomas
The Split
Maccione (uncredited)
Hustle
Man in Phone Booth
Never Steal Anything Small
Ward (as John Duke)
The Man
Haley
The Don Is Dead
Don Aggimio Bernardo
Maybe I'll Come Home in the Spring
Doctor (uncredited)
En pos de un sueño
Al (as John Duke)
Pay or Die!
Lupo Miano (as John Duke)
The Crimebusters
Hood
The Greatest Mother of 'em All
Gene Frazer
Man on a String
Carlo Buglione (as John Duke Russo)