Wynne Gibson

Lynn Ashton

Onslow Stevens

Francis Scott Graham

Richard 'Skeets' Gallagher

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

Alan Dinehart

Police Inspector Thomas

Warren Hymer

Sam Collins

William Collier Sr.

The Detective--Police Sgt. Melody

John Wray

Willie McGuire

Edward Van Sloan

Professor Franz Lubeck