Discover
Robert Livingston
Dr. Terrance 'Terry' Evans
Lorna Gray
Nurse Susan Drake
Ian Keith
Ormond Murks
Thomas E. Jackson
Detective Blair
Charles Trowbridge
Dr. Rufus Maynard
Earle Hodgins
Fred Mays (Fred Murks)
Wilton Graff
Dr. Lucifer Garland
LeRoy Mason
Detective Hendricks
William Haade
Police Officer 'Tiny'
Charles Cane
Chief Inspector Ryan
Russ Clark
Officer Lacy
Chuck Hamilton
Officer Joe - The Driver
Wheaton Chambers
Coroner (uncredited)
Camera
Reggie Lanning
Director of Photography
Directing
Philip Ford
Director
Editing
William P. Thompson
Editor
Sound
Fred Stahl
Sound
Hans J. Salter
Music
Edward H. Plumb
Original Music Composer
Richard Cherwin
Music Director
Writing
Dorrell McGowan
Screenplay
Sherman L. Lowe
Original Story
Royal K. Cole
Original Story
Stuart E. McGowan
Screenplay
Camera
Reggie Lanning
Director of Photography
Directing
Philip Ford
Director
Editing
William P. Thompson
Editor
Sound
Fred Stahl
Sound
Hans J. Salter
Music
Edward H. Plumb
Original Music Composer
Richard Cherwin
Music Director
Writing
Dorrell McGowan
Screenplay
Sherman L. Lowe
Original Story
Royal K. Cole
Original Story
Stuart E. McGowan
Screenplay