Medea de Novara as Empress Carlotta of Mexico

Conrad Nagel as Maximilian

Jason Robards Sr. as President Benito Juarez

Lionel Atwill as General Bazaine

Guy Bates Post as Louis Napoleon III

Evelyn Brent as Empress Eugenie

Frank McGlynn Sr. as President Abraham Lincoln

Nigel De Brulier as Father Fisher

Gustav von Seyffertitz as Metternich

Michael Visaroff as Dr. Samuel Basch

Earl Gunn as Porfirio Diaz

George Regas as Mariano Escobedo

Rudolph Anders as Herzfeld

Duncan Renaldo as Col. Miguel López

Julian Rivero as General Tomás Mejía