Onder andere met: Richard Burton (Maj. Jonathan Smith, MC), Clint Eastwood (Lt. Morris Schaffer), Mary Ure (Mary Elison), Patrick Wymark (Col. Wyatt Turner, DSO MC), Michael Hordern (Adm. Rolland), Donald Houston (Capt. James Christiansen), Peter Barkworth (Edward Berkeley), William Squire (Capt. Philip Thomas), Robert Beatty (Gen. George Carnaby), Brook Williams (Sgt. Harrod), Neil McCarthy (Sgt. Jock MacPherson), Ingrid Pitt (Heidi)