Even before Sofia Carson was named “Netflix’s first bona fide movie star” by Vanity Fair, her My Oxford Year costar Corey Mylchreest was certain acting with her would ensure their project’s success. “As soon as I knew Sofia was involved, I thought, ‘Here's a Netflix number one,’” Mylchreest tells Teen Vogue, laughing.

On her first day in Oxford, Anna is drenched by a rude driver that she later confronts in a fish-and-chips shop. The rude man’s name is Jamie Davenport (Corey Mylchreest). Jamie’s friend Cecelia (Poppy Gilbert) ribs Jamie for being a player, when he’s forced to hide from a woman that he never called back.

A decade ago, she had never stepped onto a feature-film set. Today, the Disney Channel alum sits atop a streaming empire, headlining some of Netflix’s most popular titles—and setting expectations high for her new project,