- Alan Napier - Detective Gordon
- Tanis Chandler - Lucy Barnard
- Ann Codee - Matilda
- Jimmy Aubrey - Nelson (uncredited)
- Jack Chefe - Pierre (uncredited)
- Charles Coleman - Sir Charles (uncredited)
- Alex Frazer - Professor Harkness (uncredited)
- Gerald Hamer - Harry Milton (uncredited)
- Eddie Parks - Oswald Pickering (uncredited)
- Dorothy Vaughan - Mrs. Miller (uncredited)
- Stuart Hall - Charles (uncredited)
- Herbert Evans - Fleming's Butler (uncredited)
- Sam Harris - Old Man at Concert Asking for Whiskey (uncredited)
- Isabel La Mal - Dowager Shushing Fleming at Concert (uncredited)
- Marjorie Hoshelle - Robert's Rejected Girlfriend (uncredited)
- Charles Ferguson - Man in Dance Hall (uncredited)
- Ethan Laidlaw - Man in Dance Hall (uncredited)
- Mike Lally - Mike (uncredited)
- Ethelreda Leopold - Blonde Nightclub Singer (uncredited)
- Annette Warren - Blonde Nightclub Singer (uncredited)
- Mary Jane French - Nightclub Patron (uncredited)
- Shep Houghton - Nightclub Patron (uncredited)
- Sol Murgi - Nightclub Patron (uncredited)
- Wilson Benge - Police Criminologist (uncredited)
- Jack Deery - Police Officer (uncredited)
- John Rice - Police Officer (uncredited)
- Brooks Benedict - Concertgoer (uncredited)
- Carl M. Leviness - Concertgoer (uncredited)
- James Conaty - Concertgoer (uncredited)
- Robert Haines - Concertgoer (uncredited)
- Wilbur Mack - Concertgoer (uncredited)
- Herschel Graham - Concertgoer (uncredited)
- Rudy Germane - Concertgoer (uncredited)
- Frank McLure - Concertgoer (uncredited)
- Jeffrey Sayre - Concertgoer (uncredited)
- Sayre Dearing - Concertgoer in Lobby (uncredited)
- Harold Miller - Concertgoer in Lobby (uncredited)
- Cyril Delevanti - Medical Examiner (uncredited)
- Wyndham Standing - Assistant Medical Examiner (uncredited)
- Eric Wilton - Ticket Booth Clerk (uncredited)
- Florence Wix - Blue Eyes (uncredited)
- Marion Gray - Concertgoer (uncredited)
- Joe Gilbert - Concertgoer (uncredited)
-
Theodore J. Flicker
-
Eric Edson, Stephen C. Burnham, Joy N. Houck Jr.
-
Elmo Williams
Capítulo disponible en las siguientes plataformas:
