George O'Hanlon, Jr.

as Mr. Peter Myers (uncredited)

as Tourist Guide

as Eddie

as Soldier

as Transporter Chief

as Private Gerald Phelan

as Professor

as Federal Agent Frank

as Platoon Sergeant

as Roy Yarnell

as Mr. Travis

as Doctor Murphy

as George

as Pete Brooks

as Sgt. Rafferty

as Self

as David Anders

as Ned Nickerson

as Lewis Baldwin

as Evans

as Carl

as Randall Gillette

as Roy - Gas Station Attendant

as Pete

as Nick Spencer

as Doctor Murphy

as Malcolm

as Eric

as Rick

as Young Man

as Franklin Beane