United Kingdom, April 26 -- Matthew Modine always knew that Millie Bobby Brown was going to be a star.

The 66-year-old actor began appearing alongside Millie, now 21, when she was a child on the Netflix hit 'Stranger Things' and could tell even then that she had got the indescrible "it" that it takes to make it in showbiz.

He told People: "The first day that I met Millie ... she was 11 years old.

"And she was sitting in the little cell [for her character], and everyone was so excited about her, and they were so excited to introduce me to work with her. And she was just so magical and professional and mature and a child, it was . you know, you know that thing they always say, 'She's got it'?

"When she was 11 years old, I went, 'Wow, th...