Weldon Heyburn

Character: Chief Bos'n Mate Jim Wilson

Jeanne Madden

Character: Patricia 'Pat' Collins

Warren Hymer

Character: Mate 'Spud' Jones

Penny Singleton

Character: Florence 'Toots' Riley

J. Carrol Naish

Character: Harry Durant

Joyce Compton

Character: Blondie

Charles Trowbridge

Character: Maxwell Gordon

Syd Saylor

Character: Henchman Weasel

Lane Chandler

Character: Lt. Hays (radio voice) / Insp. L. McGrath

Benny Burt

Character: Henchman Maxie

Ralph Sanford

Character: Henchman Turk

Don Rowan

Character: Henchman Lew

Bryant Washburn

Character: Wilbur Crane

Skippy

Character: Skipper