Blood Relatives_
"The Most Intimate Act Of All Is... ...Murder!"
A Montreal police inspector cracks a murder case with clues from the victim's diary.
Starring
Donald Sutherland, Aude Landry, Lisa Langlois
Updated Feb 16, 2026
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Year context
Blood Relatives was released 48 years ago in 1978.
Overview
A Montreal police inspector cracks a murder case with clues from the victim's diary.
Blood Relatives is a Mystery, Crime, Thriller film with a runtime of 1h 40m.
CAST (20)
Donald Sutherland
Carella
Aude Landry
Patricia
Lisa Langlois
Muriel
Laurent Malet
Andrew
Walter Massey
M. Lowery
Micheline Lanctôt
Mrs Carella
Stéphane Audran
Mme Lowery
Donald Pleasence
James Doniac
David Hemmings
Armstrong
Kenny Ireland
Bert Klinger
Guy Hoffmann
Priest
ML
Marguerite Lemir
Helene Beck
GG
Gregory Giannis
Sully
Jan Rooney
Grandmother
Tim Henry
Captain Marriott
Victor Knight
Medical Examiner
JT
Jérôme Tiberghien
Moran
KF
Kevin Fenlon
Smoker
Emil Glassbourg
Detective (uncredited)
Howard Ryshpan
Doctor
DETAILS
FREQUENTLY ASKED QUESTIONS
What is Blood Relatives about?
A Montreal police inspector cracks a murder case with clues from the victim's diary.
How long is Blood Relatives?
Blood Relatives has a runtime of 100 minutes (1h 40m).
Who stars in Blood Relatives?
The cast of Blood Relatives includes Donald Sutherland, Aude Landry, Lisa Langlois, Laurent Malet, Walter Massey.
What is the rating of Blood Relatives?
Blood Relatives has a rating of 5.6 out of 10 based on 26 votes on TMDB.
GENRES (3)
Mystery
Crime
Thriller