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