Ella Purnell talks about her American accent being so good that a co-star didn't believe she's British, having to lookout for bones and hyenas while filming Fallout and some of her worst audition stories.
The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.