
Wartime Germany: Marie, a concentration camp escapee on the run from the Nazis, narrowly escapes drowing when she is rescued by Wolfe Kristan a half-mad lighthouse keeper. Brought aboard the lighthouse itself, she begins to fall in love with the assistant keeper who, unknown to her, is a British spy. As the couple become more intimate, Kristan's jealously finally pushes him over the brink and into full-blown madness...

Wilfrid Lawson
Wolfe Kristan

Michael Rennie
Anthony Hale

Movita
Marie Durand

Morland Graham
Harbor Master Kleber

George Woodbridge
Gruppenfuhrer Rudolf Jurgens
Charles Rolfe
Albers
Richard George
Ship's Capt. Borkmann
H Victor Weske
Peters - resigning lighthouse assistant

Olive Sloane
Florist
Eric Clavering
Riemers

John Longden
Commander

Edward Sinclair
Fletcher - Hale's contact
Bob Cameron
Sergeant
Davina Whitehouse
Noel Dainton