Diretor/a
Anthony Asquith
DIRETOR/A
Elenco (na ordem dos créditos)
John Mills
Captain - Lt. Taylor, R.N.
Louis Bradfield
First Officer - Lt. Brace, R.N.R.
Ronald Millar
Third Officer - Lt. Johnson, RNVR
Jack Watling
Navigating Officer - Lt. Gordon, R.N.
Reginald Purdell
Coxwain - C
Caven Watson
Chief Engine Room Artificer - C
Niall MacGinnis
Torpedo Gunner's Mate - C
Eric Portman
On Hydrophones - L
Leslie Weston
Leading Torpedo Operator - L
Norman Williams
Periscope Operator - 'Canada'
Lionel Grose
Torpedo Operator - 'Spud'
David Peel
Helmsman - 'Oxford'
Philip Godfrey
Steward - 'Flunkey'
Robert Wilton Jnr
Cook - 'Pincher'
Marie Ault
Mrs. Metcalfe(uncredited)
Victor Beaumont
German Airman(uncredited)
Franklyn Bennett
(uncredited)
Frederick Burtwell
Sidney Briggs(uncredited)
George Cross
Kenneth Evans
Ian Fleming
Captain(uncredited)
Philip Friend
Humphries(uncredited)
Walter Gotell
Luftwaffe Captain(uncredited)
Pat Hagan
Submariner(uncredited)
Vincent Holman
Danish Captain(uncredited)
Joan Hopkins
Ethel Dabbs(uncredited)
Mike Johnson
ARP Man at Wedding(uncredited)
Molly Johnson
Vi Kaley
Old Lady in Chip Shop(uncredited)
Olaf Olsen
Luftwaffe Airman(uncredited)
Bryan Powley
John Salew
Drake(uncredited)
Gerik Schjelderup
Johnnie Schofield
Policeman in Chip Shop(uncredited)
Ian Selby
Man in Health Club(uncredited)
John Slater
Charlie(uncredited)
Joan Sterndale-Bennett
Vi Stevens
Publican's Wife(uncredited)
Merle Tottenham
David Trickett
Peter Hobson(uncredited)
Robert Brooks Turner
Trawler Captain(uncredited)
Beatrice Varley
Mrs. Dabbs(uncredited)
Ben Williams
Messenger(uncredited)
Ian Wilson
Cigarette Customer(uncredited)
Josephine Wilson
Alice Hobson(uncredited)