Dr. Swanson (1 episode, 1998)
Steven Miller (1 episode, 1987)
Federation Council President
Saul Greenberg (1 episode, 1981)
Jan Vladyk (1 episode, 1969)
Mr. Andrews / ... (2 episodes, 1975-1976)
Dr. Delatour / ... (2 episodes, 1969-1974)
James B. Gerard / ... (4 episodes, 1967-1971)
Deputy Premier Voss / ... (5 episodes, 1969-1972)
Dr. Amos Pearce / ... (2 episodes, 1967-1969)
Dr. Horatio Occularis II / ... (5 episodes, 1966-1969)
David Lewin / ... (2 episodes, 1965-1967)
Dendier / ... (2 episodes, 1964)
Milo Temple (1 episode, 1967)
Captain Peabody / ... (2 episodes, 1959)
Felix Burke / ... (3 episodes, 1959-1963)
Rabbi (в титрах отсутствует)
Arthur Cartright / ... (3 episodes, 1957-1960)
Vasilienko / ... (3 episodes, 1955-1956)