Kim Hunter as Mary Gibson

Tom Conway as Dr. Louis Judd

Jean Brooks as Jacqueline Gibson

Hugh Beaumont as Gregory Ward

Erford Gage as Jason Hoag

Isabel Jewell as Frances Fallon

Evelyn Brent as Natalie Cortez

Ben Bard as Mr. Brun

Chef Milani as Giacomo Romari

Marguerita Sylva as Bella Romari

Elizabeth Russell as Mimi (Uncredited)

Milton Kibbee as Joseph (Uncredited)

Lou Lubin as Irving August (Uncredited)

Eve March as Mildred Gilchrist (Uncredited)

Mary Newton as Esther Redi (Uncredited)

Cyril Ring as Devil Worshipper (Uncredited)

Joan Barclay as Gladys (Uncredited)

Wally Brown as Durk (Uncredited)

Feodor Chaliapin Jr. as Leo (Uncredited)

Wheaton Chambers as Missing Girl's Father (Uncredited)

James Conaty as Party Guest (Uncredited)

Kernan Cripps as Police Officer Danny (Uncredited)

Richard Davies as Detective (Uncredited)

Dan Dowling as Restaurant Patron (Uncredited)

Lorna Dunn as Mother (Uncredited)

Edythe Elliott as Mrs. Swift (Uncredited)

Bud Geary as Police Sergeant (Uncredited)

Barbara Hale as Subway Passenger (Uncredited)

William Halligan as Paul Radeaux (Uncredited)

Henry Hebert as Devil Worshiper (Uncredited)

Lloyd Ingraham as La Sagesse Watchman (Uncredited)

Tiny Jones as News Vendor (Uncredited)

Adia Kuznetzoff as Thespian (Uncredited)

Howard M. Mitchell as Police Officer (Uncredited)

Marianne Mosner as Miss Rowan (Uncredited)

Patsy Nash as Nancy (Uncredited)

Ottola Nesmith as Mrs. Loughwood (Uncredited)

Eileen O'Malley as Mother (Uncredited)

Charles Phillips as Police Officer (Uncredited)

Betty Roadman as Mrs. Wheeler (Uncredited)

Dewey Robinson as Subway Conductor (Uncredited)

Sarah Selby as Miss Gottschalk (Uncredited)

Jamesson Shade as Swenson (Uncredited)

Ann Summers as Miss Summers (Uncredited)