The children's uncle who appears to be kidnapped but stages the event as a hoax to hide his separation from Aunt Fanny; ultimately arrested by the police.
Uncle Quentin is Julian's uncle and the mystery's apparent victim.
Julian arrives at the home of his uncle, Uncle Quentin, and later investigates the reported kidnapping.
Uncle Quentin is Dick's uncle and the cause of the investigation.
Dick visits Uncle Quentin's home and becomes involved after learning that Uncle Quentin has supposedly been kidnapped.
Uncle Quentin is Anne's uncle.
Anne is among the children staying at Uncle Quentin's home when his supposed kidnapping is announced.
Uncle Quentin is George's uncle by family connection.
George joins the other children at Uncle Quentin and Aunt Fanny's home and investigates the apparent kidnapping.
Their marriage is collapsing during the events of the film.
The plot identifies Aunt Fanny as Uncle Quentin's wife, then reveals that their marriage is ending.
Explore the full interactive character relationship map of Five Go Mad in Dorset