A cameo in film refers to a brief appearance or role by a well-known person, often a celebrity or filmmaker, that is typically uncredited. These appearances are usually intended to surprise the audience and can add a layer of enjoyment to the viewing experience. Famous examples include Alfred Hitchcock appearing in many of his own films and Stan Lee making cameos in Marvel movies. Cameos can serve various purposes, such as providing comic relief, creating a connection with the audience, or paying homage to other works. They are often strategically placed to enhance the narrative or to celebrate the individual's contribution to the film industry.