Casts
John Mills
as Lt. Cmdr. Armstrong
Richard Attenborough
as Stoker Snipe
Nigel Patrick
as Lt. Manson
George Cole
as ERA Marks
Bernard Lee
as Cmdr. Gates
Peter Hammond
as Sub-Lt. Oakley
Andrew Crawford
as Sub-Lt. J. McFee
Michael Brennan
as CPO Barlow
Roddy McMillan
as Leading Seaman Andrews
Jack Stewart
as Leading Seaman Kelly
