- 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)
- 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)
- Wilson Benge - Police Criminologist (uncredited)
- Jack Deery - 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)
- 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)
- Douglas Sirk
- Simon Gantillon
-
James Nasser
George Sanders interpreta a Robert Fleming en la película.
Lucille Ball interpreta a Sandra Carpenter en la película.
Charles Coburn hace el papel de Harley Temple.
Boris Karloff interpreta a Charles van Druten en la película.
Cedric Hardwicke interpreta a Julian Wilde en la película.
Joseph Calleia hace el papel de Nicholas Moryani.
Alan Mowbray interpreta a Lyle Maxwell en la película.
George Zucco interpreta a H.R. Barrett en la película.
Robert Coote interpreta a Detective Wilson en la película.
Alan Napier interpreta a Detective Gordon en la película.
Tanis Chandler interpreta a Lucy Barnard en la película.
Ann Codee interpreta a Matilda en la película.
Jimmy Aubrey hace el papel de Nelson (uncredited).
Jack Chefe hace el papel de Pierre (uncredited).
Charles Coleman interpreta a Sir Charles (uncredited) en la película.
Alex Frazer interpreta a Professor Harkness (uncredited) en la película.
Gerald Hamer hace el papel de Harry Milton (uncredited).
Eddie Parks interpreta a Oswald Pickering (uncredited) en la película.
Dorothy Vaughan interpreta a Mrs. Miller (uncredited) en la película.
Stuart Hall interpreta a Charles (uncredited) en la película.
Herbert Evans interpreta a Fleming's Butler (uncredited) en la película.
Sam Harris interpreta a Old Man at Concert Asking for Whiskey (uncredited) en la película.
Isabel La Mal interpreta a Dowager Shushing Fleming at Concert (uncredited) en la película.
Marjorie Hoshelle interpreta a Robert's Rejected Girlfriend (uncredited) en la película.
Charles Ferguson hace el papel de Man in Dance Hall (uncredited).
Ethan Laidlaw hace el papel de Man in Dance Hall (uncredited).
Mike Lally interpreta a Mike (uncredited) en la película.
Ethelreda Leopold interpreta a Blonde Nightclub Singer (uncredited) en la película.
Annette Warren hace el papel de Blonde Nightclub Singer (uncredited).
Mary Jane French hace el papel de Nightclub Patron (uncredited).
Shep Houghton interpreta a Nightclub Patron (uncredited) en la película.
Sol Murgi interpreta a Nightclub Patron (uncredited) en la película.
Wilson Benge hace el papel de Police Criminologist (uncredited).
Jack Deery interpreta a Police Officer (uncredited) en la película.
John Rice hace el papel de Police Officer (uncredited).
Brooks Benedict interpreta a Concertgoer (uncredited) en la película.
Carl M. Leviness hace el papel de Concertgoer (uncredited).
James Conaty interpreta a Concertgoer (uncredited) en la película.
Robert Haines interpreta a Concertgoer (uncredited) en la película.
Wilbur Mack interpreta a Concertgoer (uncredited) en la película.
Herschel Graham interpreta a Concertgoer (uncredited) en la película.
Rudy Germane interpreta a Concertgoer (uncredited) en la película.
Frank McLure hace el papel de Concertgoer (uncredited).
Jeffrey Sayre interpreta a Concertgoer (uncredited) en la película.
Sayre Dearing interpreta a Concertgoer in Lobby (uncredited) en la película.
Harold Miller interpreta a Concertgoer in Lobby (uncredited) en la película.
Cyril Delevanti interpreta a Medical Examiner (uncredited) en la película.
Wyndham Standing hace el papel de Assistant Medical Examiner (uncredited).
Eric Wilton hace el papel de Ticket Booth Clerk (uncredited).
Florence Wix hace el papel de Blue Eyes (uncredited).
Marion Gray interpreta a Concertgoer (uncredited) en la película.
Joe Gilbert interpreta a Concertgoer (uncredited) en la película.
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