Full credits

On screen, in billing order

1. 1David McCallum
2. 2John Meillon
3. 3John Neville
4. 4Lee Montague
5. 5Melvyn Douglas
6. 6Niall MacGinnis
7. 7Paul Rogers
8. 8Peter Ustinov
9. 9Ray McAnally
10. 10Robert Brown
11. 11Robert Ryan
12. 12Ronald Lewis
13. 13Terence Stamp
14. 14Thomas Heathcote

• Peter Ustinov