A Background Actor, often referred to as an extra, is a performer who appears in films, television shows, or theater productions to fill in the scene without speaking lines. Their role is crucial for creating a realistic environment, whether it's a bustling city street, a crowded restaurant, or a lively party. Background actors help to enhance the overall atmosphere and make the scenes more believable. These actors typically work under the direction of a casting director and follow the guidance of the director to ensure they blend seamlessly into the action. While they may not have prominent roles, their presence adds depth to the storytelling and supports the main characters in the narrative.