Humphrey Bogart

Character: Samuel Spade

Mary Astor

Character: Brigid O'Shaughnessy

Gladys George

Character: Iva Archer

Peter Lorre

Character: Joel Cairo

Barton MacLane

Character: Lt. of Detectives Dundy

Lee Patrick

Character: Effie Perine

Sydney Greenstreet

Character: Kasper Gutman

Ward Bond

Character: Det. Tom Polhaus

Jerome Cowan

Character: Miles Archer

Elisha Cook Jr.

Character: Wilmer Cook

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)