Arthur Hambling
as
Col. Tremaine
Sam Kydd
as
Harry Bunn
Nigel Stock
as
Jim Molloy
Sam Kydd
as
Leading Stoker E. McKenzie R.N.
Bruce Seton
as
Lt. H. Pennell R.N.
Liam Redmond
as
Casey
Diana Dors
as
Lynn
John Harvey
as
Supt. Macrea
Sam Kydd
as
Taxi Driver
Geoffrey Keen
as
Station Personnel: Company Sergeant Major
Sam Kydd
as
Station Personnel: Mess Waiter
John Harvey
as
Station Personnel: Station Warrant Officer
Marianne Stone
as
W.A.A.F.
Lewis Milestone
Director
Sam Kydd
as
Marine Boyd
Alec Mango
as
Patroklis
Denholm Elliott
as
Sergeant Corcoran
Bette Davis
as
Countess
Geoffrey Keen
as
Gaston
Sam Kydd
as
Man
Harold Kasket
as
(uncredited)
Sam Kydd
as
Adelphi Barman
Michael Ripper
as
Left Luggage Attendant
Margaret Leighton
as
The Law - Counsel for the Defence
Sam Kydd
as
Nazi Orderly
Derek Newark
as
R.S.M.
John Le Mesurier
as
Sgt. Wilson
John Le Mesurier
as
Barrymore
Sam Kydd
as
Perkins
Peter Cushing
as
Sherlock Holmes
Christopher Lee
as
Sir Henry
Sam Kydd
as
Flight Sgt. Flint
Fritz Wendhausen
as
German Officer
Lillian Gish
as
Mrs. Summers
Jack Watling
as
Peel
Nigel Green
as
Streatfield
Sam Kydd
as
Warrant Officer Blake
Howard Marion-Crawford
as
'Woody' Woodhall
Richard Marquand
Director
Philip Martin Brown
as
Billy Parkin
Ian Bannen
as
Godliman
Sam Kydd
as
Lock Keeper
Bill Nighy
as
Squadron Leader Blenkinsop
Sam Kydd
as
Carslake
Denholm Elliott
as
Morell
Meredith Edwards
as
Yeoman Wells
Betty Warren
as
Connie Pemberton
Basil Radford
as
Gregg
Sam Kydd
as
Sapper
Sidney James
as
Hawkins
Sam Kydd
as
Policeman
Michael Brennan
as
Detective on Train
Harry Towb
as
Harold
Duncan Lamont
as
Kennedy
Sam Kydd
as
Train Steward
Sam Kydd
as
Claude
Milo O'Shea
as
Doctor Popplewell
Sam Kydd
as
Club Steward
Robert Newton
as
Dr. Clive Riordan
Michael Powell
Director
Michael Gough
as
Capt. Dick Stuart
Sam Kydd
as
Crowhurst - Door Sentry
Geoffrey Keen
as
Pinker
David Farrar
as
Sammy Rice
Sam Kydd
as
2nd Engineer
Ian Bannen
as
Garage attendant
Earl Cameron
as
Johnny Lambert