A Merchant Navy hero of the Korean War returns to England after three years of captivity in Communist hands, his mind confused by brain-washing and indoctrination at the hands of his captors, and accepts a post as an instructor at the Outward Bound Sea School.
as Mike Merriworth
as Gwyneth Thomas
as Mary Griffin
as Captain Snow
as Charlie Barton
as Fred Starling
as Andrew Griffin
as Tony Mullins
as Number One
as Dr. Tigara
as Raymond Curtis
as Mrs. Snow
as Tubby
