James Todd

as Clarke

as Jack Staples

as Marshall (uncredited)

as Mr. Hallerby

as Jack Travis

as Colonel at Court Martial (uncredited)

as Inspector Paley

as Mayor Mitchell

as Comdr. Kelvey (uncredited)

as Carl Forbes

as Philip Norton

as Sandy Comstock

as Mr. Gardiner

as Colonel Saunders

as Hobson

as Jack Sylvester

as Douglas Andrews

as Tanner

as Bill Clark

as Justice Van Sloan

as George Tesman

as Peter Towne

as Kenneth Dunwood

as Vern Venters