Dr. Gareth Feinberg (1 episode, 2001)
Rush Sanders (18 episodes, 1994-1999)
C.C. Capwell (301 episodes, 1986-1993)
Henry Dolan (1 episode, 1984)
Fred Dawes (1 episode, 1977)
(segment "Love and the Bathtub") / ... (4 episodes, 1972-1973)
Chris Denby / ... (2 episodes, 1973-1974)
Frank Walsh (2 episodes, 1970-1972)
Donald Jeremiah 'Don' Craig, Sr. (unknown episodes, 1971-1985)
Edward L. Quartermaine #3 (unknown episodes)
Scott Turner / ... (21 episodes, 1968-1970)
Ace Hubbard (unknown episodes, 1964)