Yvonne De Carlo

Minna Planer

Carlos Thompson

Franz Liszt

Rita Gam

Cosima Liszt

Valentina Cortese

Mathilde Wesendonk

Alan Badel

Richard Wagner

Peter Cushing

Otto Wesendonk

Frederick Valk

Minister von Moll

Gerhard Riedmann

King Ludwig I

Erik Schumann

Hans von Bülow

Robert Freitag

August Röckel

Charles Regnier

Giacomo Meyerbeer

Fritz Rasp

Pfistermeister

Kurt Großkurth

Theater Manager

Hans Quest

Robert Hubner

Erich Wolfgang Korngold

Hans Richter (uncredited)