Enrico Rosseni
Herta Rosseni
Elizabeth Seccles
Inspector Barth
Professor Bascombe
Brenda Pilchard
Solange Beauregard
Mrs. Erickson
Mr. Erickson
Janet Bryant
Helen Edmonds
Enrico's Landlord
Father Webber
Mr. Newton
Ruth Holden
Mr. Bryant
Father Herbert
Mr. Leach, the Headmaster
Susan, a Student
Joseph Kane (uncredited)
Man at Church (uncredited)
Phillip Sullivan (voice) (uncredited)
Brenda's Mother (uncredited)
Edgar Wallace (voice) (archive footage) (uncredited)
