The crew of a submarine is trapped on the sea floor when it sinks. How can they be rescued before they run out of air?
John Mills
Lt. Cmdr. Armstrong
Richard Attenborough
Stoker Snipe
Nigel Patrick
Lt. Manson
George Cole
ERA Marks
Bernard Lee
Cmdr. Gates
Peter Hammond
Sub-Lt. Oakley
Andrew Crawford
Sub-Lt. J. McFee
Michael Brennan
CPO Barlow
Wylie Watson
Helen Cherry
Lana Morris
Victor Maddern
Kenneth More
Zena Marshall
James Hayter
Frank Coburn
Leading Seaman Brough
Roddy McMillan
Leading Seaman Andrews
Jack Stewart
Leading Seaman Kelly
George Thorpe
Capt. Fenton
Alastair Hunter
Capt. Jenner
Roy Ward Baker
Director
W.E. Fairchild
Writer
Kenneth Woollard
Theatre Play
Jay Lewis
Producer
Desmond Dickinson
Director of Photography
Alan Osbiston
Editor
Tina L. Scott
Casting
Alex Vetchinsky
Art Direction
Harold Haysom
Camera Operator
H.E. Fowle
Additional Photography
Tony Sforzini
Makeup Artist
George Croll
Sound
John W. Mitchell
Jack Slade
Herbert Smith
Production Manager
