https://www.imdb.com/title/tt7016936/fullcredits

Jodie Comer had been carousing with friends at a music festival in Barcelona (Spain), and nursing a hangover, when she got the call to audition with Sandra Oh in Los Angeles. Despite feeling her chances of landing the part were slim at best, she took a 13-hour flight to L.A. and after 5 minutes in reading with Sandra, the pair clicked.