Director/a
Alfred Hitchcock
DIRECTOR/A
Escritor/a
Joseph Conrad
ESCRITOR/A
Charles Bennett
Ian Hay
Helen Simpson
E.V.H. Emmett
Reparto (por orden de créditos)
Sylvia Sidney
Mrs. Verloc
Oscar Homolka
Karl Verloc--Her Husband
Desmond Tester
Stevie
John Loder
Detective Sgt. Ted Spencer
Joyce Barbour
Renee
Matthew Boulton
Superintendent Talbot
S.J. Warmington
Hollingshead
William Dewhurst
The Professor
