In Paris, in the beginning of the Twentieth Century, Cesar Charron owns a theater at the Rue Morgue where he performs the play "Murders in the Rue Morgue" with his wife Madeleine Charron, who has dreadful nightmares. When there are several murders by acid of people connected to Cesar, the prime suspect of Inspector Vidocq would be Cesar's former partner Rene Marot. But Marot murdered Madeleine's mother many years ago and committed suicide immediately after.

Jason Robards
as Cesar Charron

Herbert Lom
as Rene Marot

Christine Kaufmann
as Madeleine Charron

Adolfo Celi
as Inspector Vidocq

Maria Perschy
as Genevre

Michael Dunn
as Pierre Triboulet

Lilli Palmer
as Mrs. Charron

Peter Arne
as Aubert

Rosalind Elliot
as Gabrielle

Marshall Jones
as Luigi Orsini
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In the extra on my Blu-ray of the film, director Hessler states he was upset with Jason Robards' performance in the title role and laments he didn't get to inherit Vincent Price as the film's star when he was asked to direct it. In watching, I quite agree that as fine an actor as Robards was, his he...
Wuchak
_**Poe mixed with Phantom of the Opera**_ At a Grand Guignol-like theater in turn-of-the-century Paris a troupe is beset by a shadowy acid killer. Jason Robards plays the director/actor, Christine Kaufmann his young wife, Lilli Palmer her mother, Herbert Lom a mysterious stalker, Michael Dunn a d...