as Banker Smith
as Prof. Gordon (archive footage)
as Self
as Self
as Officer on Ship (uncredited)
as Michael Brown
as Doctor
as Roger Montgomery
as Colonel at Explosion
as Mr. Rodney Hinds
as District Attorney
as John Johnson
as State Commander
as Mr. Tucker (uncredited)
as Inspector Newcom
as Harry Jefferson
as Burgess
as Colonel
as Professor Gordon
as Dr. Blicker
