Ricardo Cortez
Sam Spade
Bebe Daniels
Ruth Wonderly
Dudley Digges
Casper Gutman
Una Merkel
Effie Perrine
Robert Elliott
Police Lt. Dundy
Thelma Todd
Iva Archer
Otto Matieson
Dr. Joel Cairo
Walter Long
Miles Archer
Dwight Frye
Wilmer Cook
J. Farrell MacDonald
Det. Sgt. Tom Polhaus
Agostino Borgato
Capt. John Jacobi (uncredited)
Morgan Wallace
District Attorney (uncredited)
Lucille Ward
Sarah the Prison Matron (uncredited)