Don O'Brien (2 episodes, 1990-1991)
Ambassador Briam (1 episode, 1992)
Phillip Hunt (1 episode, 1983)
Thomas Crayford (5 episodes, 1982)
Dr. Elias Huer (21 episodes, 1979-1980)
Hub Hewitson (unknown episodes)
Andros / ... (3 episodes, 1977-1979)
Harry Triplett / ... (2 episodes, 1978)
Colonel Joe Gordon (1 episode, 1975)
Lt. Walt Abbott / ... (5 episodes, 1973-1979)
Capt. Faulkner / ... 3 episodes, 1974-1975
Capt. Norman Traeger, M.D. / ... (2 episodes, 1975-1981)
Dr. Herbert Lester (2 episodes, 1976)
Lt. Roy Devitt, SFPD / ... (4 episodes, 1972-1977)
Edgar Lassiter / ... (4 episodes, 1971-1976)
Edward Lytton / ... (2 episodes, 1973-1976)
Barney / ... (3 episodes, 1970-1974)
Jonathan Kaye / ... (2 episodes, 1971-1972)
Roy Johnson (1 episode, 1975)
Albert Dirks / ... (6 episodes, 1967-1973)
Elliot Carson (337 episodes, 1964-1968)
Dr. Davis / ... (3 episodes, 1963-1964)
Jack Boland #2 (unknown episodes, 1994)
Major Clint Anderson / ... (2 episodes, 1964)
Halstead (1 episode, 1963)
James Evans / ... (5 episodes, 1962-1964)
Colonel Sloane (1 episode, 1963)
Arnie Sprague / ... (3 episodes, 1964-1972)
Cardinal Hamilcar (2 episodes, 1964)
Aggressor Sergeant / ... (3 episodes, 1962-1963)
Hoskins Boy (в титрах отсутствует)