Barnacle Bill

Alec Guinness

Captain William Horatio Ambrose

Harry Locke

Reporter

Frederick Piper

Barman

Fred Griffiths

Bus Driver

Gerald Case

Commander

William Mervyn

Captain

John Horsley

First Surgeon

Derek Waring

Second Surgeon

Donald Pleasence

Cashier

Newton Blick

Bank Manager

Irene Browne

Mrs. Barrington

Percy Herbert

Tommy

Victor Maddern

Figg

Harold Goodwin

Duckworth

Junia Crawford

Evie

Warren Mitchell

Artie White

Frank Burdett

Bald Man

Maurice Denham

Crowley

Lloyd Lamble

Superintendent Browning

Martyn Woodman

Reggie

Donald Churchill

Roy

Mike Morgan

Larry

Max Butterfield

Phil

Jackie Collins

June

Susan Gibson

Sheila

Diana Chesney

Mrs. Figg

Miles Malleson

Angler

Allan Cuthbertson

Chailey

Charles Lloyd Pack

Tritton

Lionel Jeffries

Garrod

George Rose

Bullen

Richard Wattis

Registrar of Shipping

Eric Pohlmann

Liberamanian Consul

Charles Cullum

Maj. Kent

Joan Hickson

Mrs. Kent

Alexander Harris

Adrian

Sam Kydd

Frogman

Toke Townley

Timmins

Elsie Wagstaff

Mrs. Gray

Anthony Sagar

Coxswain

Charles Frend

Director

Tom Pevsner

Assistant Director

T. E. B. Clarke

Screenplay

Alfred W. Marcus

Unit Production Manager

Hal Mason

Production Supervisor

Michael Balcon

Producer

Dennis Van Thal

Associate Producer

Douglas Slocombe

Director of Photography

Chic Waterson

Camera Operator

John Addison

Music

Jack Harris

Editor

Alan Withy

Art Direction