Robert Livingston
Dr. Terrance 'Terry' Evans
Acting
Lorna Gray
Nurse Susan Drake
Acting
Ian Keith
Ormond Murks
Acting
Thomas E. Jackson
Detective Blair
Acting
Charles Trowbridge
Dr. Rufus Maynard
Acting
Earle Hodgins
Fred Mays (Fred Murks)
Acting
Wilton Graff
Dr. Lucifer Garland
Acting
LeRoy Mason
Detective Hendricks
Acting
William Haade
Police Officer 'Tiny'
Acting
Charles Cane
Chief Inspector Ryan
Acting
Russ Clark
Officer Lacy
Acting
Chuck Hamilton
Officer Joe - The Driver
Acting
Wheaton Chambers
Coroner (uncredited)
Acting