ORSON WELLES - GREGORY ARKADIN MICHAEL REDGRAVE - BURGOMIL TREBITSCH JACK WATLING - MARQUIS OF RUTLEIGH PATRICIA MEDINA - MILY AKIM TAMIROFF - JAKOB ZOUK ROBERT ARDEN - GUY VAN STRATTEN MISCHA AUER - THE PROFESSOR PAOLA MORI - RAINA ARKADIN KATINA PAXINOU - SOPHIE GREGOIRE ASLAN - BRACCO PETER VAN EYCK - THADDEUS SUZANNE FLON - BARONESS NAGEL GORDON HEATH - PIANIST TAMARA SHAYNE - WOMAN IN APARTMENT FREDERICK O''''BRADY - OSCAR JEAN BOURGOIN - CINEMATOGRAPHER PAUL MISRAKI - COMPOSER (MUSIC SCORE) RENZO LUCIDI - EDITOR LUIS PEREZ ESPINOSA - SET DESIGNER GIL PARRONDO - SET DESIGNER FRANK PROSPER - SET DESIGNER ORSON WELLES - COSTUME DESIGNER / PRODUCER / DIRECTOR / SCREENWRITER / ART DIRECTOR / EDITOR