Alec Guinness

Character: Captain William Horatio Ambrose

Harry Locke

Character: Reporter

Frederick Piper

Character: Barman

Fred Griffiths

Character: Bus Driver

Gerald Case

Character: Commander

William Mervyn

Character: Captain

John Horsley

Character: First Surgeon

Derek Waring

Character: Second Surgeon

Donald Pleasence

Character: Cashier

Newton Blick

Character: Bank Manager

Irene Browne

Character: Mrs. Barrington

Percy Herbert

Character: Tommy

Victor Maddern

Character: Figg

Harold Goodwin

Character: Duckworth

Junia Crawford

Character: Evie

Warren Mitchell

Character: Artie White

Frank Burdett

Character: Bald Man

Maurice Denham

Character: Crowley

Lloyd Lamble

Character: Superintendent Browning

Martyn Woodman

Character: Reggie

Donald Churchill

Character: Roy

Mike Morgan

Character: Larry

Max Butterfield

Character: Phil

Jackie Collins

Character: June

Susan Gibson

Character: Sheila

Diana Chesney

Character: Mrs. Figg

Miles Malleson

Character: Angler

Allan Cuthbertson

Character: Chailey

Charles Lloyd Pack

Character: Tritton

Lionel Jeffries

Character: Garrod

George Rose

Character: Bullen

Richard Wattis

Character: Registrar of Shipping

Eric Pohlmann

Character: Liberamanian Consul

Charles Cullum

Character: Maj. Kent

Joan Hickson

Character: Mrs. Kent

Alexander Harris

Character: Adrian

Sam Kydd

Character: Frogman

Toke Townley

Character: Timmins

Elsie Wagstaff

Character: Mrs. Gray

Anthony Sagar

Character: Coxswain