Mandy Garland is Christine Garland and Harry Garland's young deaf daughter and the central figure of the story. Her parents enroll her in special education, where Dick Searle trains her to speak. She first says “Mama” and later says “Mandy” while visiting Harry's parents, after children invite her to play.
Candy Brown is the teenage daughter of Paul Decker's murdered wife and the film's determined investigator. She immediately suspects Paul Decker, notices clues involving the hidden snorkel, recognizes his attempts to kill her, survives his drugging and concealment scheme, and ultimately alerts the Inspector so the case can be solved.
Elizabeth is a young girl sent to stay with her aunt Evelyn and uncle Henry while her mother is in hospital. New to their household, she remembers her absent father warmly and secretly meets him in London. She protects Stephen’s confidence when questioned by Henry, Detective Sergeant Taylor, and Evelyn, and turns to Cassie for comfort when Evelyn isolates her.
Mandy Miller has 15 screen credits in a career dating back to 1951. Their work is anchored in the Ealing comedies universe with 1 titles. Signature works include Adventure in the Hopfields, The Snorkel, The Secret. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.