Duchess of Florence
Constance Bennett
Benvenuto Cellini
Fredric March
Daughter of the Royal House of Bocci
Irene Ware
Lady-in-Waiting (uncredited)
Lucille Ball
Girl (uncredited)
Bonnie Bannon
Court Member (uncredited)
Lionel Belmore
Palace Guard Finding Cellini's Clothes (uncredited)
Ward Bond
Jailer (uncredited)
Lane Chandler
Palace Guard (uncredited)
James Flavin
Bess Flowers
Mary Lange
Executioner (uncredited)
Theodore Lorch
Alessandro, Duke of Florence
Frank Morgan
Servant (uncredited)
Russ Powell
Steward (uncredited)
Dewey Robinson
Constantine Romanoff
Henchman (uncredited)
Harry Wilson
Angela
Fay Wray
Ascanio
Vince Barnett
Beatrice
Jessie Ralph
Ottaviano
Louis Calhern
Polverino
Jay Eaton
Emissary
Paul Harvey
Captain of the Guards
Jack Rutherford
Producer
Darryl F. Zanuck
Editor
Barbara McLean
Director of Photography
Charles Rosher
Director
Gregory La Cava
Original Music Composer
Alfred Newman
Associate Producer
Raymond Griffith
Screenplay
Bess Meredyth
Presenter
Joseph M. Schenck
Costume Design
Gwen Wakeling
Art Direction
Richard Day
Assistant Director
Fred Fox
William Goetz
Camera Operator
Roy Clark
Still Photographer
Clarence Hewitt
Assistant Camera
William A. Reinhart
Roy Tripp
Other
Adolph Bolm
Theatre Play
Edwin Justus Mayer
Adaptation
Fred De Gresac