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