Harker Anderson (1 episode, 1984)
O'Hara / ... (2 episodes, 1982-1985)
Dr. Johnson 1 episode, 1982
Henning / ... (3 episodes, 1975-1978)
Roger Mundell (2 episodes, 1972-1976)
Jess Whitney / ... (2 episodes, 1971-1976)
Dr. Garrison (1 episode, 1978)
Lt. Cmdr. Francis J. Thomas - USS Nevada
Avery Waters (4 episodes, 1973-1975)
Mr. Prescott (1 episode, 1978)
Eli / ... (3 episodes, 1969-1973)
Lorne Marshall / ... (2 episodes, 1967-1975)
Jim / ... (2 episodes, 1968-1972)
Mayor Richmond (unknown episodes, 1991)
Arthur Lewis / ... (2 episodes, 1966-1969)
Dr. Dick Miller (2 episodes, 1963-1966)
Colonel William Connacher (1 episode, 1963)
Harry Collins / ... (2 episodes, 1963-1964)
Sam Davis (2 episodes, 1973)
Jeff Hamil / ... (5 episodes, 1955-1962)