A boy accidentally shoots a friend with a gun he found in the rubble of a destroyed building. The gun turns out to be a clue in a ten-year-old murder case.

Steve Cochran
as Mark Andrews

Lizabeth Scott
as Elsa Jenner

Herbert Marshall
as Insp. Mackenzie

Nicole Maurey
as Vivienne

Jon Whiteley
as Erik Jenner

George Cole
as Joshua Henry

Laurence Naismith
as Jamison

Stanley Maxted
as Colonel

Denis Shaw
as Groggins

Fred Johnson
as Fitzsimmons