Wynne Gibson as Lynn Ashton

Onslow Stevens as Francis Scott Graham

Richard 'Skeets' Gallagher as The Reporter--Miller (as 'Skeets' Gallagher)

Alan Dinehart as Police Inspector Thomas

Warren Hymer as Sam Collins

William Collier Sr. as The Detective--Police Sgt. Melody

John Wray as Willie McGuire

Edward Van Sloan as Professor Franz Lubeck

J. Farrell MacDonald as The Doorman--Mike Costello

Barbara Weeks as Nora