Guests at an old English manor house are stalked by a mysterious killer known only as "The Terror".
as Olga Redmayne
as Mrs. Elvery
as Ferdinand Fane
as Dr. Redmayne
as Joe Connors
as Goodman
as Soapy Marks
as Supt. Hallick
as Alfred Katman
as Cotton
as Credits Narrator (voice) (uncredited)
