Character Relationship Map: Under Your Hat

Characters

• Jack Millett (played by Jack Hulbert) — protagonist

  A leading film star secretly recruited as a government undercover agent to recover a stolen secret carburettor. He travels to the South of France to retrieve the device and returns to London with it.

• Carole Markoff (played by Leonora Corbett) — supporting

  Jack's glamorous co-star who is initially suspected of having an affair with him. She is later revealed to be a spy involved with the stolen carburettor.

Canonical Relationships

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

• Jack Millett → Carole Markoff (Professional Co-star) — They are connected through their work as film performers.

  The plot identifies Carole Markoff as Jack Millett's glamorous co-star.

Story Analysis

A film star's concealed government mission turns a suspected affair into an espionage recovery operation.

Plot Progression

1. The Stolen Device — Jack is introduced as a leading film star in prewar England. The theft of a secret carburettor leads to his recruitment as a government undercover man.
2. Suspicion on the Journey — Jack travels toward the South of France while his professional connection with Carole creates suspicion of an affair. His real intelligence mission remains hidden.
3. The Coded Meeting — Jack reaches a night club where a contact is expected to deliver the parcel. The exchange depends on an identification code and produces a comic misunderstanding.
4. The Spy Revealed — The parcel and secret carburettor are retrieved. Carole is then revealed as a spy involved with the stolen device, transforming suspicion into an espionage conflict.
5. Return With the Secret — Jack secures the recovered carburettor and flies back to London. The mission ends with the device in his possession.