Action-packed suspense thriller finds innocuous-looking purser Carter (Harris) the unlikely hero when the floating casino on which he works is hijacked by a heavily armed group of mercenaries, led by John Vernon. Complicating matters, a nuclear warhead has been smuggled … Richard Harris, Ann Turkel, Gordon Jackson, John Vernon, David Janssen, Burgess Meredith, Leigh Lawson Added on Amazon Prime 2021-01-11.