"Julia Ross secures employment with a wealthy widow and goes to live at her house. Two days later, she awakens in a different house in different clothes and with a new identity."
Nina Foch
as Julia Ross
May Whitty
as Mrs. Hughes
George Macready
as Ralph Hughes
Roland Varno
as Dennis Bruce
Anita Sharp-Bolster
as Sparkes
Doris Lloyd
as Mrs. Mackie
Queenie Leonard
as Alice (uncredited)
Joy Harington
as Bertha (uncredited)
Leonard Mudie
as Peters (uncredited)
Ottola Nesmith
as Mrs. Robinson (uncredited)
Milton Owen
as Policeman (uncredited)
Olaf Hytten
as The Reverend Lewis (uncredited)
Leyland Hodgson
Marilyn Johnson
as Nurse (uncredited)
Charles McNaughton
as Gatekeeper (uncredited)
Harry Hays Morgan
as Robinson (uncredited)
Reginald Sheffield
as McQuarrie (uncredited)
Evan Thomas
as Dr. Keller (uncredited)
Joseph H. Lewis
Director
Muriel Roy Bolton
Screenplay
Henry Batista
Editor
Burnett Guffey
Director of Photography
Wallace MacDonald
Producer
Anthony Gilbert
Novel
Milton Stumph
Set Decoration
Donald C. Glouner
Matte Painter
Gert Andersen
Second Assistant Camera
Mario Castelnuovo-Tedesco
Additional Music
Daniele Amfitheatrof
John Leipold
Friedrich Hollaender
Glenn Rominger
Sound Re-Recording Mixer
Vera Mikol
Researcher
Ernst Toch
Milton Feldman
Assistant Director
Ned Scott
Still Photographer
Jerome Pycha Jr.
Art Direction
Mischa Bakaleinikoff
Music Director
Jean Louis
Costume Design
Lambert E. Day
Sound
Edwin Wetzel
Scoring Mixer
George Duning
Lawrence W. Butler
Special Effects