What is Queen Elizabeth II's favorite film or actor?

It is not publicly known what Queen Elizabeth II's favorite film or actor is, as she has not made any official statement or revealed any personal preferences on the matter. Being a monarch, she is generally expected to maintain a neutral and professional stance on various matters, including entertainment, and refrain from expressing personal opinions.

However, the Queen has been known to have a strong interest in the arts and culture, and has been a patron of several organizations promoting and supporting the arts in the UK, such as the Royal Academy of Arts and the Royal Shakespeare Company. She is also a fan of horse racing and has a keen interest in equestrian sports.