Weldon Heyburn

as Chief Bos'n Mate Jim Wilson

Jeanne Madden

as Patricia 'Pat' Collins

Warren Hymer

as Mate 'Spud' Jones

Penny Singleton

as Florence 'Toots' Riley

J. Carrol Naish

as Harry Durant

Joyce Compton

as Blondie

Charles Trowbridge

as Maxwell Gordon

Syd Saylor

as Henchman Weasel

Lane Chandler

as Lt. Hays (radio voice) / Insp. L. McGrath

Benny Burt

as Henchman Maxie

Ralph Sanford

as Henchman Turk

Don Rowan

as Henchman Lew

Bryant Washburn

as Wilbur Crane

Skippy

as Skipper