Robert Cummings

as Self (archive footage)

as Bob Mitchell

as Henry Gatewood (as Bob Cummings)

as Dr. Victor Stephanson

as Dan Pierce

as Professor Sutwell

as Bob Moore

as Juror #8

as Dick Carson

as Jeff Bolton

as Charles D'Aubigny

as Warren Ford

as Bruce Elcott

as Lewis Venable

as Chuck Scott

as Michael (segment 1)

as Eddie O'Rourke

as Barry Kane

as Parris Mitchell

as Johnny Reynolds Jr.

as Jeffrey 'Jeff' Boulton II

as Joe O'Brien

as Steve Harper

as Corporal Harry Marten

as Bill Gregory

as Jim

as Dan Trimball, prospector

as George Martin

as Juan Ramos

as Steamship Announcement Witness (uncredited)