William Hansen

as Defense Secretary Swenson

as Caesar Rodney (DE)

as Fred Daw (uncredited)

as Dr. Ezra Manon

as Ozni

as Old Jew

as Barskin

as Mr. Sandy

as Dr. Shepard

as Tourist #2

as Doctor Ciovica

as Mr. Goolby (uncredited)

as Dr. Wimmel

as Max

as Henry Babcock