"Guests at an old English manor house are stalked by a mysterious killer known only as "The Terror"."
May McAvoy
as Olga Redmayne
Louise Fazenda
as Mrs. Elvery
Edward Everett Horton
as Ferdinand Fane
Alec B. Francis
as Dr. Redmayne
Matthew Betz
as Joe Connors
Holmes Herbert
as Goodman (as Holmes E. Herbert)
Otto Hoffman
as Soapy Marks
Joseph W. Girard
as Supt. Hallick (as Joseph Gerard)
John Miljan
as Alfred Katman
Frank Austin
as Cotton
Conrad Nagel
as Narrator of Spoken Credit Titles (uncredited)
Roy Del Ruth
Director
Darryl F. Zanuck
Producer
Jack L. Warner
Executive Producer
Barney McGill
Director of Photography
Harvey Gates
Writer
Edgar Wallace
Theatre Play
