My Brother-in-Law Killed My Sister_
Two members of the French Academy agree to help the attractive young veterinarian Esther investigate the suspicious death of her sister. Esther is convinced her brother-in-law is responsible, but soon it becomes apparent that those responsible are linked to the very highest echelons of power in the Vatican.
Starring
Michel Serrault, Michel Piccoli, Juliette Binoche
Updated Feb 16, 2026
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Cast
Michel Serrault →
Michel Serrault stars as Octave Clapoteau in My Brother-in-Law Killed My Sister.
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Year context
My Brother-in-Law Killed My Sister was released 40 years ago in 1986.
Overview
Two members of the French Academy agree to help the attractive young veterinarian Esther investigate the suspicious death of her sister. Esther is convinced ...
My Brother-in-Law Killed My Sister is a Thriller, Comedy film with a runtime of 1h 35m.
CAST (11)
DETAILS
FREQUENTLY ASKED QUESTIONS
What is My Brother-in-Law Killed My Sister about?
Two members of the French Academy agree to help the attractive young veterinarian Esther investigate the suspicious death of her sister. Esther is convinced her brother-in-law is responsible, but soon it becomes apparent that those responsible are linked to the very highest echelons of power in the Vatican.
How long is My Brother-in-Law Killed My Sister?
My Brother-in-Law Killed My Sister has a runtime of 95 minutes (1h 35m).
Who stars in My Brother-in-Law Killed My Sister?
The cast of My Brother-in-Law Killed My Sister includes Michel Serrault, Michel Piccoli, Juliette Binoche, Jean Carmet, Jean-Pierre Bisson.
What is the rating of My Brother-in-Law Killed My Sister?
My Brother-in-Law Killed My Sister has a rating of 4.2 out of 10 based on 9 votes on TMDB.
GENRES (2)
Thriller
Comedy