title role
noun [ C usually singular ] uk/ˈtaɪ.təl ˌrəʊl/ us/ˈtaɪ.t̬əl ˌroʊl/
剧名角色;片名角色
A title role in a play or film is the character referred to in its name, usually the main part
She is currently to be seen at the National Theatre playing the title role in "Queen Christina". 她现在正在国家剧院上演的《克里斯蒂娜女王》中扮演剧名角色。