Cast
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
