Discover
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
Art
Alan Withy
Art Direction
Editing
Jack Harris
Editor
Production
Alfred W. Marcus
Unit Production Manager
Hal Mason
Production Supervisor
Dennis Van Thal
Associate Producer
Michael Balcon
Producer
Writing
T. E. B. Clarke
Screenplay
Art
Alan Withy
Art Direction
Editing
Jack Harris
Editor
Production
Alfred W. Marcus
Unit Production Manager
Hal Mason
Production Supervisor
Dennis Van Thal
Associate Producer
Michael Balcon
Producer
Writing
T. E. B. Clarke
Screenplay