- Peggy Knudsen - Mona Mars
- Charles D. Brown - Norris the Butler
- Bob Steele - Lash Canino
- Sonia Darrin - Agnes Lowzier (uncredited)
- Trevor Bardette - Art Huck (uncredited)
- Joy Barlow - Taxi Driver (uncredited)
- Max Barwyn - Max - Head Waiter (uncredited)
- Deannie Best - Waitress (uncredited)
- Tanis Chandler - Waitress (uncredited)
- Jack Chefe - Croupier (uncredited)
- James Conaty - Nightclub Patron (uncredited)
- Joseph Crehan - Medical Examiner (uncredited)
- Jack Deery - Nightclub Patron (uncredited)
- Jay Eaton - Casino Patron (uncredited)
- Tom Fadden - Sidney (uncredited)
- Bess Flowers - Woman with Bumped Man
- Kenneth Gibson - Casino Patron (uncredited)
- Joe Gilbert - Nightclub Patron (uncredited)
- Stuart Hall - Nightclub Patron (uncredited)
- Shep Houghton - Casino Patron (uncredited)
- Kenner G. Kemp - Nightclub Patron (uncredited)
- Pete Kooy - Motorcycle Cop (uncredited)
- Lorraine Miller - Hatcheck Girl (uncredited)
- Forbes Murray - Furtive Man (uncredited)
- William H. O'Brien - Waiter (uncredited)
- Shelby Payne - Cigarette Girl (uncredited)
- Jack Perry - Silent Thug Beating Marlowe (uncredited)
- Tommy Rafferty - Carol Lundgren (uncredited)
- Waclaw Rekwart - Nightclub Patron (uncredited)
- Edward Rickard - Nightclub Patron (uncredited)
- Jeffrey Sayre - Croupier (uncredited)
- Emmett Vogan - Ed - Deputy Sheriff (uncredited)
- Theodore von Eltz - Arthur Gwynn Geiger (uncredited)
- Wally Walker - Mars' Thug (uncredited)
- Dan Wallace - Owen Taylor (uncredited)
- Paul Weber - Mars' Thug (uncredited)
- Ben Welden - Pete (uncredited)
- Suzanne Ridgway - Nightclub Patron (uncredited)
- Howard Hawks
- Leigh Brackett
- Raymond Chandler
- William Faulkner
- Jack L. Warner
- Howard Hawks
- Max Steiner
- Leo F. Forbstein
Humphrey Bogart hace el papel de Philip Marlowe.
Lauren Bacall interpreta a Vivian Sternwood Rutledge en la película.
John Ridgely hace el papel de Eddie Mars.
Martha Vickers hace el papel de Carmen Sternwood.
Elisha Cook Jr. interpreta a Harry Jones en la película.
Charles Waldron interpreta a General Sternwood en la película.
Regis Toomey hace el papel de Chief Inspector Bernie Ohls.
Louis Jean Heydt interpreta a Joe Brody en la película.
Dorothy Malone hace el papel de Acme Bookstore Proprietress.
Peggy Knudsen interpreta a Mona Mars en la película.
Charles D. Brown interpreta a Norris the Butler en la película.
Bob Steele interpreta a Lash Canino en la película.
Sonia Darrin interpreta a Agnes Lowzier (uncredited) en la película.
Trevor Bardette interpreta a Art Huck (uncredited) en la película.
Joy Barlow hace el papel de Taxi Driver (uncredited).
Max Barwyn hace el papel de Max - Head Waiter (uncredited).
Deannie Best interpreta a Waitress (uncredited) en la película.
Tanis Chandler hace el papel de Waitress (uncredited).
Jack Chefe interpreta a Croupier (uncredited) en la película.
James Conaty interpreta a Nightclub Patron (uncredited) en la película.
Joseph Crehan interpreta a Medical Examiner (uncredited) en la película.
Jack Deery hace el papel de Nightclub Patron (uncredited).
Jay Eaton hace el papel de Casino Patron (uncredited).
Tom Fadden hace el papel de Sidney (uncredited).
Bess Flowers hace el papel de Woman with Bumped Man.
Kenneth Gibson hace el papel de Casino Patron (uncredited).
Joe Gilbert hace el papel de Nightclub Patron (uncredited).
Stuart Hall interpreta a Nightclub Patron (uncredited) en la película.
Shep Houghton interpreta a Casino Patron (uncredited) en la película.
Kenner G. Kemp hace el papel de Nightclub Patron (uncredited).
Pete Kooy interpreta a Motorcycle Cop (uncredited) en la película.
Lorraine Miller interpreta a Hatcheck Girl (uncredited) en la película.
Forbes Murray hace el papel de Furtive Man (uncredited).
William H. O'Brien interpreta a Waiter (uncredited) en la película.
Shelby Payne interpreta a Cigarette Girl (uncredited) en la película.
Jack Perry interpreta a Silent Thug Beating Marlowe (uncredited) en la película.
Tommy Rafferty interpreta a Carol Lundgren (uncredited) en la película.
Waclaw Rekwart hace el papel de Nightclub Patron (uncredited).
Edward Rickard interpreta a Nightclub Patron (uncredited) en la película.
Jeffrey Sayre hace el papel de Croupier (uncredited).
Emmett Vogan interpreta a Ed - Deputy Sheriff (uncredited) en la película.
Theodore von Eltz interpreta a Arthur Gwynn Geiger (uncredited) en la película.
Wally Walker interpreta a Mars' Thug (uncredited) en la película.
Dan Wallace interpreta a Owen Taylor (uncredited) en la película.
Paul Weber interpreta a Mars' Thug (uncredited) en la película.
Ben Welden interpreta a Pete (uncredited) en la película.
Suzanne Ridgway hace el papel de Nightclub Patron (uncredited).
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