Yvonne De Carlo

Character: Minna Planer

Carlos Thompson

Character: Franz Liszt

Rita Gam

Character: Cosima Liszt

Valentina Cortese

Character: Mathilde Wesendonk

Alan Badel

Character: Richard Wagner

Peter Cushing

Character: Otto Wesendonk

Frederick Valk

Character: Minister von Moll

Gerhard Riedmann

Character: King Ludwig I

Erik Schumann

Character: Hans von Bülow

Robert Freitag

Character: August Röckel

Heinz Klingenberg

Character: König von Sachsen

Charles Regnier

Character: Giacomo Meyerbeer

Fritz Rasp

Character: Pfistermeister

Kurt Großkurth

Character: Theater Manager

Hans Quest

Character: Robert Hubner

Erich Wolfgang Korngold

Character: Hans Richter (uncredited)