Alan Crosland Director John Barrymore Don Jose de Marana, Don Juan de Marana Actor Mary Astor Adriana della Varnese Actor Willard Louis Pedrillo Actor Estelle Taylor Lucrezia Borgia Actor Helene Costello Rena Actor Myrna Loy Mai Actor Jane Winton Donna Isobel Actor John Roche Leandro Actor June Marlowe Trusia Actor Yvonne Day Young Don Juan Actor Philippe de Lacey Young Don Juan Actor John George Hunchback Actor Helena D'Algy Donna Elvira Actor Warner Oland Cesare Borgia Actor Montagu Love Count Giano Donati Actor Josef Swickard Duke Della Varnese Actor Lionel Braham Duke Margoni Actor Phyllis Haver Imperia Actor Nigel de Brulier Marchese Rinaldo Actor Hedda Hopper Marchesia Rinaldo Actor Helen Lee Worthing Eleanora Actor Emily Fitzroy The Dowager Actor Gustave von Seyffertitz Neri Actor