Cast 14

1. 

   James Caan

   Cmdr. Richard Bolton, RNVR

2. 

   David Sumner

   Lt. Davies R.N.V.R

3. 

   Norman Bowler

   Sub-Lt. Pennington, RN

4. 

   Paul Young

   Leading Seaman Quentin

5. 

   Brian Grellis

   CPO Barquist X 3

6. 

   William Dysart

   Lt. Robert Talbot Gogan R.N.R.

7. 

   John Kelland

   Sub-Lt. Keith Willis, RNVR

8. 

   Kenneth Farrington

   CPO Boker Knowles

9. 

   Keith Alexander

   Sub-Lt. X-3

10. 

    Carl Rigg

    CPO Norman Kennedy

11. Steve Kirby

    Leading Seaman X-2

12. 

    Nick Tate

    Leading Seaman X-1

13. 

    George Pravda

    Capt. Erlich of the 'Lindendorf'

14. 

    Rupert Davies

    Vice Admiral Redmayne (uncredited)

Crew 8