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