Marc's student who is initially reported missing and later found dead in his bed. Her death triggers the central police investigation and the film's plot.
Their academic relationship becomes central after Barbara's death.
Marc teaches literature at a polytechnic, and Barbara is identified as one of his students.
Barbara's death directly disrupts the home Marianne shares with Marc.
Marianne shares the remote chalet with Marc, while Barbara's body is found in Marc's bed at that household.
Explore the full interactive character relationship map of Love Is the Perfect Crime