The Infernal Trio
The Infernal Trio (French: Le Trio infernal; also known as Lady of Hell) is a 1974 crime comedy horror film directed by Francis Girod from a screenplay he co-wrote with Jacques Rouffio, based on the novel Le Trio infernal by Solange Fasquelle.

Cast
Michel Piccoli as Georges Sarret
Romy Schneider as Philomena Schmidt
Mascha Gonska as Catherine Schmidt
Philippe Brizard as Chambon
Jean Rigaux as Villette
Monica Fiorentini as Magali
Hubert Deschamps as Detreuil
Monique Tarbès as the nurse
Andréa Ferréol as Noémie
Francis Claude as the doctor
Pierre Dac as the insurance doctor
Papinou as Luffeaux
Henri Piccoli the violinist

References
External links
The Infernal Trio at IMDb
The Infernal Trio at AllMovie
The Infernal Trio at Rotten Tomatoes
The Infernal Trio at UCM.ONE