Character Relationship Map: Sebastian

Characters

• Sebastian (played by Dirk Bogarde) — protagonist

  Sebastian directs the all-female British Intelligence decoding office, where he relies on Elsa Shahn's skill and recruits Rebecca Howard after meeting her in Oxford. His work-focused manner strains hi...

• Elsa Shahn (played by Lilli Palmer) — supporting

  Elsa Shahn is Sebastian's longtime senior decoder in the British Intelligence office. Gen. Phillips questions her reliability because of her left-wing Communist leanings, but Sebastian persuades the H...

• Head of Intelligence (played by John Gielgud) — supporting

  The Head of Intelligence is a senior official overseeing Sebastian's service. After Gen. Phillips raises concerns about Elsa Shahn, the official retains her following Sebastian's argument that her dec...

• Carol Fancy (played by Janet Munro) — supporting

  Carol Fancy is a washed-up pop singer and Sebastian's girlfriend before he leaves her for Rebecca Howard. After Sebastian has resigned and left the decoding office, Carol encounters him and invites hi...

• Toby (played by Ronald Fraser) — supporting

  Toby is Carol Fancy's lover and, unbeknownst to Sebastian, a foreign agent. After Sebastian visits Carol's apartment, Toby drugs him with LSD and lures him to the top of the building. While Sebastian...

Canonical Relationships

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

• Sebastian → Carol Fancy (Romantic Former Lovers) — Their relationship ends when Sebastian chooses another partner.

  Sebastian leaves his girlfriend, the washed-up pop singer Carol Fancy, after pursuing a relationship with the new decoder.

• Sebastian → Head of Intelligence (Power Director And Superior) — They occupy different levels of the same intelligence hierarchy.

  Sebastian directs the all-female decoding office, while the Head of Intelligence has authority over the wider intelligence organization.

• Elsa Shahn → Head of Intelligence (Professional Subordinate) — Elsa's employment is subject to the authority of the intelligence chief.

  The Head of Intelligence decides whether Elsa will remain in the British Intelligence decoding office.

• Sebastian → Elsa Shahn (Professional Senior Colleague) — Sebastian relies on Elsa's expertise within the decoding operation.

  Elsa Shahn is described as Sebastian's longtime senior decoder in the British Intelligence decoding office.

• Carol Fancy → Toby (Romantic Lovers) — Carol and Toby are romantically involved during the plot's dangerous scheme.

  Toby is revealed to be Carol's lover when he helps lure Sebastian to the top of the building.

Story Dynamics

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

• Toby → Sebastian (Conflict Assailant) — Toby directly threatens Sebastian's life.

  Toby drugs Sebastian with LSD and attempts to persuade the hallucinating man to jump from a building ledge.

Story Analysis

A brilliant but emotionally detached decoder is forced to confront the consequences of secrecy, obsession, betrayal, and love.

Plot Progression

1. A Door Into Intelligence — Sebastian encounters a former mathematics student and offers her a path into the civil service. She discovers that the position is actually inside a secret British Intelligence decoding office.
2. Codes And Complications — The decoding work creates pressure while the women become fascinated by Sebastian. Elsa's political beliefs trigger a security dispute, and Sebastian protects her from removal.
3. Betrayal And Resignation — Elsa passes secret information to a political organization, and Sebastian's private relationship is exposed inside the office. He resigns, separates from his partner, and returns to Oxford.
4. The Rooftop Threat — The intelligence service seeks Sebastian's help with Russian satellite signals, but a personal encounter becomes a lethal trap. Drugged and hallucinating, Sebastian is nearly persuaded to jump from a...
5. Love And The Signal — Sebastian survives, discovers that he has a newborn child, and admits his love. A sound from the baby's rattle inspires him to resume decoding the Soviet signal.