Captain Fearless

Kenneth Williams

Midshipman Albert Poop-Decker

Bernard Cribbins

Patch, Pirate Captain, aka Roger

Peter Gilmore

Ned

George Woodbridge

Ancient Carrier

Ian Wilson

Adm. Horatio Nelson

Jimmy Thompson

Hardy

Anton Rodgers

Peg

Marianne Stone

Spanish Secretary

Viviane Ventura

Man at Dirty Dick's (uncredited)

Frank Harper

Marine (uncredited)

Jack Carter

Sally

Juliet Mills

Walter Sweetly

Charles Hawtrey

First Officer Jonathan Howett

Donald Houston

Mr. Angel, the Bos'un

Percy Herbert

Young Carrier

Jim Dale

Don Luis, the Spanish Governor

Patrick Cargill

First Sealord

Cecil Parker

Hook, Pirate

Ed Devereaux

Producer

Peter Rogers

Director

Gerald Thomas

Screenplay

Talbot Rothwell