Gene Blakely

as Lucien Holt

as Merchant

as Mr. Books

as Charlie

as Dr. Ralph Tetzi (1 episode), as Dr. Tetzi (1 episode)

as Dr. Seymour Shapiro (1 episode)

as Phil

as Goldberg

as Phil (1 episode)

as Cahill

as Dave (5 episodes)

as Kemp

as Stanley Wilson (1 episode)

as Lt. Len Ross

as Grant (1 episode)

as Corporal Mack (uncredited)

as Harry (1 episode)

as Dr. Frank Bennett (1 episode)

as Frank Oxman (1 episode)

as Robert Deering