Cast:
Jack Hawkins, Gia Scala, Erik Schumann, Alexander Knox, Felix Aylmer, Walter Hudd, Edward Underdown, Laurence Naismith, Geoffrey Bayldon, Kenneth Griffith, Robert Crewdson, Michael Caine, Harriette Johns, Martin Benson, Victor Woolf, Richard Grey, Ronald Hines, Donald Pleasence, Martin Boddey, Bernard Fox, Deering Wells, Nade Beall, Ian Colin, Peter Swanwick, Desmond Roberts, Victor Fairley, W. Thorp Deverreux, Neil Hallett, Victor Harrington, Peter Welch, John Dunbar, Bart Allison, John Brooking, Clifford Earl, Norman Fisher, Dudley Foster, Patrick Halpin, Edward Malin, John McLaren, Martin Sterndale, Johnny Wyne, Sheree Winton