Paris...at the turn of the century. Inspector Vidocq investigates a series of unexplained murders at a Grand Guignol-type theatre...where the players have suddenly become real-life victims.<br /><br />Jason Robards - Cesar Charron<br />Herbert Lom - Rene Marot<br />Christine Kaufmann - Madeleine Charron<br />Adolfo Celi - Inspector Vidocq<br />Maria Perschy - Genevre<br />Michael Dunn - Pierre Triboulet<br />Lilli Palmer - Mrs. Charron<br />Peter Arne - Aubert<br />Rosalind Elliot - Gabrielle (as Rosalind Elliott)<br />Marshall Jones - Luigi Orsini<br />María Martín - Madam Adolphe (as Maria Martin)<br />Ruth Plattes - Orsini's Assistant<br />Rafael Hernández - Member of Repertory Company (as Rafael Hernandez)<br />Pamela McInnes - Member of Repertory Company<br />Sally Longley - Member of Repertory Company<br />Luis Rivera - Member of Repertory Company<br />Dean Selmier - Member of Repertory Company<br />Virginia Stach - Member of Repertory Company<br />Werner Umberg - Member of Repertory Company<br />Xan das Bolas - Orsini's Assistant<br />Brooke Adams - Nurse<br />José Calvo - Hunchback<br />Inma de Santis - Young Madeleine<br />Víctor Israel - Cowardly Coachman<br />Emile Stemmler - Doctor
