Kenneth Williams

Character: Captain Fearless

Bernard Cribbins

Character: Midshipman Albert Poop-Decker

Juliet Mills

Character: Sally

Charles Hawtrey

Character: Walter Sweetley

Donald Houston

Character: Lieutenant Jonathan Howett

Percy Herbert

Character: Mr. Angel

Jim Dale

Character: Young Carrier

Patrick Cargill

Character: Governor Don Luis

Cecil Parker

Character: First Sea Lord

Ed Devereaux

Character: Hook

Peter Gilmore

Character: Roger

George Woodbridge

Character: Ned

Ian Wilson

Character: Lightning Legs

Jimmy Thompson

Character: Admiral Horatio Nelson

Anton Rodgers

Character: Vice-Admiral Sir Thomas Hardy

Michael Nightingale

Character: Town Crier

Frank Forsyth

Character: Second Sea Lord

Barrie Gosney

Character: Coach Driver

John Brooking

Character: Third Sea Lord

Jan Muzurus

Character: Spanish Captain

Viviane Ventura

Character: Spanish Secretary

Marianne Stone

Character: Peg

Chris Adcock

Character: Pirate (uncredited)

Tony Allen

Character: Pirate (uncredited)

Bernard Barnsley

Character: Deckhand (uncredited)

Alan Beaton

Character: Pirate (uncredited)

Joe Beckett

Character: Pirate / Naval Officer (uncredited)

Jim Brady

Character: Pirate (uncredited)

Jack Carter

Character: Marine (uncredited)

Marian Collins

Character: Girl at Dirty Dick's (uncredited)

Maxwell Craig

Character: Deckhand (uncredited)

Dominique Don

Character: Girl at Dirty Dick's (uncredited)

Sally Douglas

Character: Girl at Dirty Dick's (uncredited)

Pat Gorman

Character: Pirate (uncredited)

Josie Grant

Character: Woman Leaving Ship (uncredited)

Jean Hamilton

Character: Girl at Dirty Dick's (uncredited)

Walter Henry

Character: Deckhand (uncredited)

Jennifer Hill

Character: Girl at Dirty Dick's (uncredited)

George Hilsdon

Character: Deckhand (uncredited)

Pat Judge

Character: Pirate (uncredited)

Max Latimer

Character: Deckhand (uncredited)

Aileen Lewis

Character: Onlooker (uncredited)

Martin Lyder

Character: Spanish Guard (uncredited)

Fred Machon

Character: Man at Dirty Dick's (uncredited)

Lou Morgan

Character: Pirate (uncredited)

Neil Osborne

Character: Naval Officer / Deckhand (uncredited)

Charles Price

Character: Pirate (uncredited)

Reg Prince

Character: Man at Dirty Dick's (uncredited)

Ernie Rice

Character: Man at Dirty Dick's (uncredited)

Roy Seely

Character: Pirate (uncredited)

Guy Standeven

Character: Pirate (uncredited)

Dorinda Stevens

Character: Girl at Dirty Dick's (uncredited)

Reg Thomason

Character: Naval Officer (uncredited)

Del Watson

Character: Press Ganger (uncredited)