Switch

A Canadian graphic designer who travels to Paris via the Switch program, hoping for a holiday abroad. Resourceful and increasingly desperate to prove her true identity, she negotiates danger and deception while being pursued by those who believe she is someone else. Her resolve and adaptability keep her moving as the truth unravels.

A woman who assumes Sophie’s identity and orchestrates the Switch, driven by a troubled past and a desire to punish others for her own unhappiness. She undergoes cosmetic changes to resemble Sophie and manipulates people and events to control the narrative. Her ruthlessness culminates in a violent confrontation with Sophie.

The lead Paris detective who slowly pieces together the web of lies surrounding the Switch. He uncovers the DNA link between Sophie and the deceased Thomas Huygens and orchestrates the final takedown of Bénédicte. He balances professional rigor with a growing understanding of Sophie’s plight.

A computer expert connected to the Switch network who helps create the scheme and then deletes the traces of the website and Sophie’s flight. Her role positions her as a key architect of the deception, though her ultimate motives remain partly ambiguous, tied to the technology that made the Switch possible.

Bénédicte’s mother and a renowned sculptor whose DNA-themed works mirror the film’s core revelations. Her strained relationship with her daughter echoes the larger theme of frayed familial ties and the desire for control within a family of secrets. Her testimony provides a crucial piece of the genetic puzzle.

Benedicte’s boyfriend, whose headless body is discovered in Sophie’s apartment. The investigation later reveals that Sophie and Thomas are half-siblings, tying their fates together through a hidden donor lineage. His presence looms large as a catalyst for uncovering the truth.

A young man Sophie briefly meets in Paris who appears supportive but is revealed to be allied with Bénédicte. His pursuit of Sophie ends tragically when he falls from a balcony during the chase. He embodies the seductive danger of casual connections in a city full of hidden motives.

Sophie's mother who travels from Montreal to confront Sophie’s predicament. She arrives with resolve and a shotgun, and her discovery at Sophie’s home becomes another turning point in the case. Her fate is sealed in a climactic confrontation, underscoring the film’s themes of maternal protection and peril.