El hombre de la máscara de hierro
Producer Edward Small had enjoyed success making films based on Dumas novels, such as "The Count of Monte Cristo" (1934) and "The Man in the Iron Mask" (1939). In November 1939 he announced he would film Dumas' "Corsican Brothers". Louis Hayward, who had previously played a dual role for Small in "Man in the Iron Mask" (1939), was originally announced as star.