Humphrey Bogart character Sam Spade
Mary Astor character Brigid O'Shaughnessy
Peter Lorre character Joel Cairo
Sydney Greenstreet character Kasper Gutman
Lee Patrick character Effie Perine
Gladys George character Iva Archer
Elisha Cook Jr. character Wilmer Cook
Barton MacLane character Det. Lt. Dundy
Ward Bond character Det. Tom Polhaus
Jerome Cowan character Miles Archer
James Burke character Luke
Murray Alper character Frank Richman
John Hamilton character District Attorney Bryan
Charles Drake character Reporter (uncredited)
Chester Gan character Bit Part (uncredited)
Creighton Hale character Stenographer (uncredited)
Robert Homans character Policeman (uncredited)
William Hopper character Reporter (uncredited)
Walter Huston character Captain Jacoby (uncredited)
Hank Mann character Reporter (uncredited)
Jack Mower character Announcer (uncredited)
Emory Parnell character Ship's Mate (uncredited)
