Lamont Williams / ... (2 episodes, 1969)
Charles Huff / ... (2 episodes, 1968)
Arthur Foster / ... (3 episodes, 1963-1965)
Edward / ... (3 episodes, 1956)
Big Doc (3 episodes, 1959-1961)
София (1948)
Sofia (3.40)
Steve Roark
Kenneth 'Ken' Wayne / Jeremy 'Jerry' Wayne
Dr. Lawrence 'Larry' Smith
Richard Stuyvesant 'Dick' / 'Smitty' Smith
Pete Quinlan, aka Count Pierre Louis de Marsac
William 'Bill' 'Lightning' Graham
Monte Van Tyle (misspelled Monty Van Tyle in opening credits)