“Remember the Name—Your Life May Depend on It!” advised the poster. An all-male submarine ensemble answers the SOS from a North Pole outpost, but the mission for the Yank contingent of Rock Hudson and Jim Brown plus UK agent Patrick McGoohan and Russian visitor Ernest Borgnine is faced with sabotage. The Alistair MacLean adaptation accrued Oscar nods for cinematography and visual effects, and everlasting fame as Howard Hughes’ favorite comfort viewing.