Weldon Heyburn
(Chief Bos'n Mate Jim Wilson)
Jeanne Madden
(Patricia 'Pat' Collins)
Warren Hymer
(Mate 'Spud' Jones)
Penny Singleton
(Florence 'Toots' Riley)
J. Carrol Naish
(Harry Durant)
Joyce Compton
(Blondie)
Charles Trowbridge
(Maxwell Gordon)
Syd Saylor
(Henchman Weasel)
Lane Chandler
(Lt. Hays (radio voice) / Insp. L. McGrath)
Benny Burt
(Henchman Maxie)
Ralph Sanford
(Henchman Turk)
Don Rowan
(Henchman Lew)
Bryant Washburn
(Wilbur Crane)
Skippy
(Skipper)