cast
- Helmut Berger
- Ludwig II, King of Bavaria
- Romy Schneider
- Elisabeth of Austria
- Trevor Howard
- Richard Wagner
- Silvana Mangano
- Cosima von Buelow
- Gert Fröbe
- Father Hoffman
- Helmut Griem
- Capt. Durcheim
- John Moulder-Brown
- Prince Otto
- Marc Porel
- Richard Hornig
- Sonia Petrova
- Sophie
- Folker Bohnet
- Joseph Kainz
- Heinz Moog
- Prof. Gudden
- Umberto Orsini
- Count Von Holstein
- Maurizio Bonuglia
- Mayor
- Mark Burns
- Hans von Buelow
- Nora Ricci
- Countess Ida Ferenczy
- Ingrid Caven
- Lola Montez (uncredited)
- Adriana Asti
- Lila Von Buliowski
- Isabella Telezynska
- Queen Mother
crew
- Luchino Visconti
- Director, Screenwriter
- Dieter Geissler
- Producer
- Ugo Santalucia
- Producer
- Enrico Medioli
- Screenwriter
- Suso Cecchi D'Amico
- Screenwriter
- Armando Nannuzzi
- Cinematographer
- Franco Mannino
- Composer (Music Score), Musical Direction/Supervision, Supervisor/Manager
- Jacques Offenbach
- Featured Music
- Richard Wagner
- Featured Music
- Robert Schumann
- Featured Music
- Ruggero Mastroianni
- Editor
- Mario Chiari
- Art Director
- Mario Scisci
- Art Director
- Robert Gordon Edwards
- Executive Producer
- Enzo Eusepi
- Set Designer
- Piero Tosi
- Costume Designer
- Giuseppe Muratori
- Sound/Sound Designer
- Lucio Trentini
- Production Manager
- Alberto de Rossi
- Makeup
