Paul Hardtmuth

as Professor Luckman

as Senor Paterno (1 episode)

as Beukleman

as Prof. Bernstein

as Hans

as Dr. Buchmann

as Mohammed

as Porter

as Dr. Bressler

as Dr. Eric Miller

as V. H. Mayall

as Ship's Watchman

as Priest

as German Mayor (uncredited)

as Old Frenchman