Dr. Terrance 'Terry' Evans

Robert Livingston

Acting

Nurse Susan Drake

Lorna Gray

Acting

Ormond Murks

Ian Keith

Acting

Detective Blair

Thomas E. Jackson

Acting

Dr. Rufus Maynard

Charles Trowbridge

Acting

Fred Mays (Fred Murks)

Earle Hodgins

Acting

Dr. Lucifer Garland

Wilton Graff

Acting

Detective Hendricks

LeRoy Mason

Acting

Police Officer 'Tiny'

William Haade

Acting

Chief Inspector Ryan

Charles Cane

Acting

Officer Lacy

Russ Clark

Acting

Officer Joe - The Driver

Chuck Hamilton

Acting

Coroner (uncredited)

Wheaton Chambers

Acting