as Arthur Enslee
as Commander (uncredited)
as Big Jim Johnson
as Capt. Long [Chs. 1-2, 4, 11-12]
as Investigator Hogan
as Van Martin - Announcer
as Kurt Redman
as Al Bolger
as Mug (uncredited)
as Square Deal Scottie
as Doctor Calloway
as Butch
as Fred Morgan
as James Benson
as Detective Dave Lewis
