Character Relationship Map: Split

Characters

• Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade (played by James McAvoy) — protagonist

  A man with dissociative identity disorder harboring 23 distinct personalities, including the superhuman Beast.

• Casey Cooke (played by Anya Taylor-Joy) — protagonist

  A resilient teenage kidnapping survivor who uses trauma-honed instincts to outsmart her captor.

• Marcia (played by Jessica Sula) — supporting

  Claire's friend and fellow captive, whose vulnerability contrasts with Casey's resilience.

• Dr. Karen Fletcher (played by Betty Buckley) — supporting

  Kevin's dedicated therapist who studies his alters and uncovers the truth about The Beast.

• Kevin's Mother (played by Rosemary Howard) — minor

  Abusive parent whose trauma triggers Kevin's dissociative identity disorder.

• Casey's Father (played by Sebastian Arcelus) — supporting

  Abusive parent whose actions lead to Casey's kidnapping.

Canonical Relationships

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

• Kevin's Mother → Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade (mother)
• Casey's Father → Casey Cooke (father)
• Dr. Karen Fletcher → Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade (Professional Therapist) — Dr. Fletcher is Kevin's dedicated therapist and observer.

  Dr. Fletcher has treated Kevin's alters for several years and is pleased that he has maintained a job.

Story Dynamics

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

• Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade → Marcia (Conflict Predator) — Marcia becomes one of The Beast's victims.

  The Beast feeds upon and kills Marcia in the lair.

• Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade → Dr. Karen Fletcher (Conflict Adversary) — Dennis turns against the therapist when she discovers his deception.

  Dr. Fletcher realizes that Dennis has been impersonating Barry, confronts him in the lair, and is then incapacitated and imprisoned by him.

• Dr. Karen Fletcher → Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade (Conflict Victim) — The Beast kills the therapist after she is imprisoned in the lair.

  The Beast returns to the lair, thanks Dr. Fletcher for her help, and crushes her to death.

Story Analysis

A captive survivor confronts a fractured identity system as The Beast turns psychological trauma into physical terror.

Plot Progression

1. Taken Beneath the City — Three teenagers are abducted and imprisoned in an underground lair. The captives encounter different alters and begin testing the limits of their confinement.
2. The Prisoners Push Back — The captives attempt several escapes using an air vent, a chair, and a walkie-talkie. Their failures lead to separation and increasingly severe control by the alters.
3. The Therapist Uncovers Deception — Dr. Fletcher questions the identity appearing in therapy and discovers that Dennis has been impersonating Barry. Her visit to the lair ends with her imprisonment.
4. The Beast Emerges — The Beast takes control on an empty train and returns to the lair. Dr. Fletcher and two captives are killed as the creature's ideology becomes physically lethal.
5. A Wounded Monster Retreats — Kevin briefly regains control, but Patricia suppresses him and restores The Beast. After being shot in a tunnel, The Beast spares the surviving captive because he considers her suffering proof of puri...