Thomas Jackson
as District Attorney White
Trevor Bardette
as Art Huck
Humphrey Bogart
as Philip Marlowe
Charles Waldron
as General Sternwood
Dorothy Malone
as Acme Book Shop Proprietress
Elisha Cook Jr.
as Harry Jones
Charles Brown
as Norris the Butler
Bob Steele
as Lash Canino
Louis Heydt
as Joe Brody
James Flavin
as Capt. Cronjager
Regis Toomey
as Chief Inspector Bernie Ohls
Martha Vickers
as Carmen Sternwood
John Ridgely
as Eddie Mars
Sonia Darrin
as Agnes Lowzier
Tommy Rafferty
as Carol Lundgren
Tom Fadden
as Sidney
Ben Welden
as Pete
Joy Barlowe
as Taxi Driver
Peggy Knudsen
as Mona Mars
Theodore Von Eltz
as Arthur Gwynn Geiger
Carole Douglas
as Librarian