The popular TV show had a spin-off that focused on a minor character.

这部受欢迎的电视剧有一个衍生产品，专注于一个次要角色。

He acted a minor character in this film.

他在这部影片中扮演了一个次要的角色.

He acted a minor character in this film .

他在这部影片中扮演了一个次要的角色。

Or, if he does, he's only there as a minor character.

即使出现了,也仅仅是个次要的角色

He didn't think he was a minor character in anything I daresay .

我确定地说，他并不认为是次要的角色。

Uses the pronoun I to tell the story, and can be either a major or minor character.

用第一人称“我”来讲述故事，叙述者可以是主要角色，也可以是次要角色。