Yvonne De Carlo

as Minna Planer

Carlos Thompson

as Franz Liszt

Rita Gam

as Cosima Liszt

Valentina Cortese

as Mathilde Wesendonk

Alan Badel

as Richard Wagner

Peter Cushing

as Otto Wesendonk

Frederick Valk

as Minister von Moll

Gerhard Riedmann

as King Ludwig I

Erik Schumann

as Hans von Bülow

Robert Freitag

as August Röckel

Heinz Klingenberg

as König von Sachsen

Charles Regnier

as Giacomo Meyerbeer

Fritz Rasp

as Pfistermeister

Kurt Großkurth

as Theater Manager

Hans Quest

as Robert Hubner

Erich Wolfgang Korngold

as Hans Richter (uncredited)