Constance Bennett

Duchess of Florence

Fredric March

Benvenuto Cellini

Frank Morgan

Alessandro, Duke of Florence

Fay Wray

Angela

Vince Barnett

Ascanio

Jessie Ralph

Beatrice

Louis Calhern

Ottaviano

Jay Eaton

Polverino

Paul Harvey

Emissary

Jack Rutherford

Captain of the Guards