Michael Burke (65 episodes, 1994)
Keeve Falor (1 episode, 1991)
Leo Steadman (1 episode, 1989)
Richard Nolan 1 episode, 1989
Al Brackman (2 episodes, 1990)
Peter Kirkland / ... (2 episodes, 1974-1979)
Terry Young 2 episodes, 1974
Dimitri Kampacalas (1 episode, 1972)
Dabney / ... (2 episodes, 1968-1974)
Eric Brady #2 (unknown episodes, 1984)
Casey / ... (10 episodes, 1966-1973)
Johnny Baroja / ... (2 episodes, 1964)
Andre / ... (2 episodes, 1963-1964)
Richard Edward 'Rick' Braden
Duke Franz von Pishin / ... (3 episodes, 1958-1961)
Britt / ... (4 episodes, 1963-1966)
Eliot Gray (1 episode, 1961)