Dirección: Joseph H. Lewis
Una joven norteamericana encuentra trabajo en Londres como secretaria personal de una dama inglesa, cuyo hijo es un hombre enigmático con una profunda cicatriz en la cara. El encuentro con este personaje será el comienzo de una terrible pesadilla.
Nina Foch
Julia Ross
May Whitty
Mrs. Hughes
George Macready
Ralph Hughes
Roland Varno
Dennis Bruce
Anita Sharp-Bolster
Sparkes
Doris Lloyd
Mrs. Mackie
Queenie Leonard
Alice (uncredited)
Joy Harington
Bertha (uncredited)
Leonard Mudie
Peters (uncredited)
Ottola Nesmith
Mrs. Robinson (uncredited)
Milton Owen
Policeman (uncredited)
Olaf Hytten
The Reverend Lewis (uncredited)
Leyland Hodgson
Policeman (uncredited)
Marilyn Johnson
Nurse (uncredited)
Charles McNaughton
Gatekeeper (uncredited)
Harry Hays Morgan
Robinson (uncredited)
Reginald Sheffield
McQuarrie (uncredited)
Evan Thomas
Dr. Keller (uncredited)
Nina Foch
Julia Ross
May Whitty
Mrs. Hughes
George Macready
Ralph Hughes
Roland Varno
Dennis Bruce
Anita Sharp-Bolster
Sparkes
Doris Lloyd
Mrs. Mackie
Queenie Leonard
Alice (uncredited)
Joy Harington
Bertha (uncredited)
Leonard Mudie
Peters (uncredited)
Ottola Nesmith
Mrs. Robinson (uncredited)
Milton Owen
Policeman (uncredited)
Olaf Hytten
The Reverend Lewis (uncredited)
Leyland Hodgson
Policeman (uncredited)
Marilyn Johnson
Nurse (uncredited)
Charles McNaughton
Gatekeeper (uncredited)
Harry Hays Morgan
Robinson (uncredited)
Reginald Sheffield
McQuarrie (uncredited)
Evan Thomas
Dr. Keller (uncredited)
Nina Foch
Julia Ross
May Whitty
Mrs. Hughes
George Macready
Ralph Hughes
Roland Varno
Dennis Bruce
Anita Sharp-Bolster
Sparkes
Doris Lloyd
Mrs. Mackie
Queenie Leonard
Alice (uncredited)
Joy Harington
Bertha (uncredited)
Leonard Mudie
Peters (uncredited)
Ottola Nesmith
Mrs. Robinson (uncredited)
Milton Owen
Policeman (uncredited)
Olaf Hytten
The Reverend Lewis (uncredited)
Leyland Hodgson
Policeman (uncredited)
Marilyn Johnson
Nurse (uncredited)
Charles McNaughton
Gatekeeper (uncredited)
Harry Hays Morgan
Robinson (uncredited)
Reginald Sheffield
McQuarrie (uncredited)
Evan Thomas
Dr. Keller (uncredited)