龙套角色

例句：

1. 1. He was always the underdog in every movie he starred in.
   他在他主演的电影中总是那个不起眼的角色。
2. 2. In the play, she played a supporting role as an actress.
   在剧中，她扮演了一个女配角，是一名女演员。
3. 3. The director cast him as a supporting actor in the film.
   导演让他在电影中担任一个配角。