Jack William Frederick Gwillim was featured in over fifty films and television series, usually war films or historical epics. His military background, commanding presence and deep, booming voice typecast him as soldiers and authority figures. Some of his most notable roles include Sink the Bismarck! (1960), Lawrence of Arabia (1962), Jason and the Argonauts (1963), Thunderball (1965), Patton (1970), Clash of the Titans (1981), and The Monster Squad (1987).