United Airlines has been embroiled in controversy since Sunday, when a man wasviolently removed Robertson is best known for her starring role in the beloved Emmy-winning sitcomSchitt's Creek If acting out a murder reveal wasn't frightening on its own, Emilija says that singing in the musical episode was. "I was terrified when I first found out we were doing a musical episode because I have no theater or musical-theater background," she explains. "I did ballet growing up, but this was a very different type of choreography. But a lot of the cast were in the same boat. Like,Can we do this? "They were super fun and super professional. It was really funny because shows likeGlee