as Sheriff Garland (uncredited)
as San Quentin Sgt.
as Harry Landers
as Gen. Allison
as The Judge
as Mr. Carmichael (uncredited)
as Cmdr. Watkins
as Prof. Philip Osborne
as Wilkinson
as Ferrin Meaks
as Sheriff R. Seaton
as Col. Crandall
as Submarine Crewman (uncredited)
as Port Captain
as Vancouver Flight Dispatcher
