All the Boys Love Mandy Lane

Initially seen as the new girl, Mandy thrives on the attention of Dylan's crowd while concealing a calculating edge beneath her charm. She intervenes when Emmet is bullied, and later aligns with him, orchestrating a deadly showdown to secure power and affection. Her innocence appears real, but she is willing to manipulate others and participate in violence when it serves her interests.

Popular, sometimes reckless, Dylan bullies Emmet at the pool party, setting off a chain of events fueled by vanity and social dominance. His prank ends in tragedy when he is coaxed onto a roof and falls into the pool, dying from the impact. His death accelerates the group's descent into violence and revenge.

Intelligent but ostracized, Emmet nurses a vendetta against those who humiliated him. He partners with Mandy to execute a murderous plan, using violence to gain control and to win her affection. The climax pits him against Mandy in a brutal struggle, which Mandy ends by killing him.

A sociable teen who hosts the weekend ranch party, he is part of the core social circle and becomes a target amid the violence. He is shot by Emmet during the chaos, leaving his fate implied but not fully shown on screen. His presence marks the spread of the group’s violent fallout.

A popular but insecure cheerleader, Chloe navigates the social dynamics with an air of confidence that hides vulnerability. Mandy reveals later that Chloe is aligned with Emmet, and Mandy ultimately kills her, exposing the price of social climbing.

A reserved classmate who becomes a victim of Emmet’s escalating violence. Emmet confronts Bird and brutalizes him, slashing his eyes and stabbing him to death, highlighting the brutalization that runs through the group.

A football player who has a volatile moment with Mandy and later attempts to search for Marlin. He is killed by Emmet during the spree, after a confrontation that underscores the volatility of the group’s dynamics.

Jake’s romantic partner, a target of the group’s cruelty and violence. She is knocked unconscious and later killed in the sequence of killings, her fate tied to the group’s collapse under pressure and vengeance.

The ranch hand who becomes entangled in the chaos at the ranch. Wounded by Emmet, he survives the confrontation and helps Mandy as the survivors escape, acknowledging Mandy’s role in saving his life.