Character Relationship Map: Trainspotting

Characters

• Renton (played by Ewan McGregor) — protagonist

  Cynical heroin addict turned London property developer, narrator of the group's downfall and survival.

• Spud (played by Ewen Bremner) — protagonist

  Docile, bumbling friend and aspiring writer who struggles with addiction and family loss.

• Sick Boy (played by Jonny Lee Miller) — supporting

  Treacherous, womanizing James Bond fanatic and master manipulator within the group.

• Tommy (played by Kevin McKidd) — supporting

  Honest footballer who falls into severe heroin addiction and dies from HIV complications.

• Lizzy (played by Pauline Lynch) — supporting

  Tommy's girlfriend who dumps him over a stolen sex tape and dies in a drug overdose.

• Begbie (played by Robert Carlyle) — supporting

  Aggressive alcoholic psychopath known for extreme violence and estranged family dynamics.

• Gail (played by Shirley Henderson) — minor

  Spud's ex-wife who loses custody of their son due to his relapse.

• Gail's Father (played by Billy Riddoch) — minor

  Spud's father-in-law, minor family figure.

• Gail's Mother (played by Annie Louise Ross) — minor

  Spud's mother-in-law, minor family figure.

• Diane's Mother (played by Fiona Bell) — minor

  Diane's parent, initially mistaken by Renton for flatmates.

• Diane's Father (played by Vincent Friell) — minor

  Diane's parent, minor family figure.

• Dealer (played by Keith Allen) — minor

  Minor drug supplier appearing in both films, facilitates group's continued addiction.

• Diane (played by Kelly Macdonald) — supporting

  Underage girl who blackmails Renton into a relationship, later advises his escape.

• Mikey Forrester (played by Irvine Welsh) — minor

  Dodgy drug dealer who supplies Renton with withdrawal medication.

• Renton's Mother (played by Eileen Nicholas) — supporting

  Renton's parent who supports his withdrawal and recovery efforts.

• Renton's Father (played by James Cosmo) — supporting

  Renton's parent who locks him in his room for cold turkey withdrawal.

• Allison (played by Susan Vidler) — supporting

  Heroin user and mother of Dawn, dies in a negligence-induced overdose.

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Diane's Father → Diane (father)
• Diane's Mother → Diane (mother)
• Gail's Father → Gail (father)
• Gail's Mother → Gail (mother)
• Renton's Mother → Renton (mother)
• Renton's Father → Renton (father)
• Begbie → Dealer (Professional Seller) — Begbie is included in the criminal resale arrangement.

  Begbie accompanies the group to London for the sale of the heroin.

• Spud → Dealer (Professional Seller) — Spud is involved in the transaction but remains uneasy about betraying Begbie.

  Spud travels with the group to London and participates in the heroin sale.

• Sick Boy → Dealer (Professional Seller) — Sick Boy acts as part of the resale operation.

  Sick Boy participates in selling the purchased heroin to a dealer for £16,000.

• Renton → Dealer (Professional Seller) — The dealer completes the group's high-value resale transaction.

  Renton and the group sell the heroin to a dealer in London for £16,000.

• Begbie → Mikey Forrester (Professional Drug Buyer) — Begbie is part of the supplier-side transaction despite not using heroin.

  Begbie accompanies the group when they buy two kilograms of heroin from Mikey Forrester.

• Spud → Mikey Forrester (Professional Drug Buyer) — Spud is a reluctant participant in Mikey's drug transaction.

  Spud participates with the group in buying heroin from Mikey Forrester for resale.

• Sick Boy → Mikey Forrester (Professional Drug Buyer) — Sick Boy helps organize the supplier connection for the deal.

  Sick Boy asks Renton, Begbie, and Spud to help purchase two kilograms of heroin from Mikey.

• Tommy → Lizzy (Romantic Girlfriend) — Their breakup contributes directly to Tommy's descent into addiction.

  Tommy begins using heroin after Lizzy dumps him because their sex tape has disappeared.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Renton → Allison (Social Drug-Using Associate) — Their connection is indirect and rooted in the shared drug community.

  Renton remains part of the heroin-using group that includes Allison, whose infant's death shocks them.

Story Analysis

Renton struggles to escape heroin addiction and a destructive friendship circle, ultimately choosing betrayal and self-preservation.

Plot Progression

1. The Seduction of Addiction — Renton lives in Leith as a heroin addict surrounded by friends with different relationships to drugs. His attempted withdrawal leads to grotesque physical suffering and a dangerous encounter with Dian...
2. Collapse of the Circle — Renton, Sick Boy, and Spud relapse, while Tommy enters heroin use after his breakup with Lizzy. The death of Sick Boy and Allison's infant fails to stop the group's addiction.
3. The Body Fights Back — Renton avoids prison, relapses after rehabilitation, and nearly dies from an overdose. His parents force him through terrifying withdrawal, followed by HIV testing and Tommy's positive diagnosis.
4. London's False Escape — Renton builds a sober working life in London with Diane's advice. Begbie and Sick Boy return, destroy his stability, and force him back to Edinburgh.
5. The Final Betrayal — After Tommy's funeral, the group buys and sells heroin in London. Renton steals the proceeds, leaves money for Spud, and escapes while Begbie is arrested.