- 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 hace el papel de Vivian Sternwood Rutledge.
John Ridgely hace el papel de Eddie Mars.
Martha Vickers interpreta a Carmen Sternwood en la película.
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 hace el papel de Joe Brody.
Dorothy Malone interpreta a Acme Bookstore Proprietress en la película.
Peggy Knudsen hace el papel de Mona Mars.
Charles D. Brown hace el papel de Norris the Butler.
Bob Steele hace el papel de Lash Canino.
Sonia Darrin interpreta a Agnes Lowzier (uncredited) en la película.
Trevor Bardette interpreta a Art Huck (uncredited) en la película.
Joy Barlow interpreta a Taxi Driver (uncredited) en la película.
Max Barwyn interpreta a Max - Head Waiter (uncredited) en la película.
Deannie Best hace el papel de Waitress (uncredited).
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 interpreta a Nightclub Patron (uncredited) en la película.
Jay Eaton interpreta a Casino Patron (uncredited) en la película.
Tom Fadden hace el papel de Sidney (uncredited).
Bess Flowers interpreta a Woman with Bumped Man en la película.
Kenneth Gibson interpreta a Casino Patron (uncredited) en la película.
Joe Gilbert interpreta a Nightclub Patron (uncredited) en la película.
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 interpreta a Nightclub Patron (uncredited) en la película.
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 hace el papel de Arthur Gwynn Geiger (uncredited).
Wally Walker hace el papel de Mars' Thug (uncredited).
Dan Wallace interpreta a Owen Taylor (uncredited) en la película.
Paul Weber interpreta a Mars' Thug (uncredited) en la película.
Ben Welden hace el papel de Pete (uncredited).
Suzanne Ridgway interpreta a Nightclub Patron (uncredited) en la película.
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