Philip Ford
Director

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

Dorrell McGowan
Screenplay William P. Thompson
Editor Edward H. Plumb
Original Music Composer Stuart E. McGowan
Screenplay Fred Stahl
Sound Hans J. Salter
Music Sherman L. Lowe
Original Story Reggie Lanning
Director of Photography Royal K. Cole
Original Story Richard Cherwin
Music Director