William Desmond Taylor

Robert W. Wainwright AKA Captain Alvarez

Edith Storey

Bonita - Don Arana's Niece

George Stanley

Rosas - President of Argentina

George Holt

Tirzo AKA Del Caprio - the Spy

Otto Lederer

Don Arana - the Foreign Minister

Myrtle Gonzalez

Mercedes - Bonita's Companion

George Kunkel

Gonzalo - Chief of Police

Rollin S. Sturgeon