Playing the "straight woman" to Miranda’s antics, Withers provides the necessary grounded tension as the increasingly suspicious wife.

While on a fishing holiday in Cornwall, Dr. Paul Marten (Griffith Jones) is pulled underwater by Miranda, a playful and predatory mermaid. She agrees to release him only on the condition that he takes her to London for a month to experience human life.

Miranda arrived during a period when British audiences were seeking escapism. The film’s "fish-out-of-water" humor (literally and figuratively) relies on sharp dialogue and the subversion of rigid 1940s social etiquette.

As the eccentric nurse hired to care for the "invalid," Rutherford steals her scenes with her characteristic wit and eventual discovery of Miranda's true nature. Cultural Impact and Style