Ncuti Gatwa talks about telling the entire cast of Barbie that he was Doctor Who, his obsession with the influencer Bomanizer that led him to do Kourtney Kardashian impressions on set and working with Brian Cox in his first acting role.The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: https://bit.ly/3gZJaNySubscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonight Show Starring Jimmy Fallon: https://www.nbc.com/the-tonight-show JIMMY FALLON ON SOCIALFollow Jimmy: http://Twitter.com/JimmyFallonLike Jimmy: https://Facebook.com/JimmyFallonFollow Jimmy: https://www.instagram.com/jimmyfallon/Follow Jimmy on Threads: https://www.threads.net/@jimmyfallonFollow Jimmy on TikTok: https://www.tiktok.com/@jimmyfallonTHE TONIGHT SHOW ON SOCIALFollow The Tonight Show: http://Twitter.com/FallonTonightLike The Tonight Show: https://Facebook.com/FallonTonightFollow The Tonight Show: https://www.instagram.com/fallontonight/Follow The Tonight Show on Threads: https://www.threads.net/@fallontonightThe Tonight Show TikTok: https://www.tiktok.com/@fallontonight 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. GET MORE NBCNBC YouTube: http://bit.ly/1dM1qBHLike NBC: http://Facebook.com/NBCFollow NBC: http://Twitter.com/NBCNBC Instagram: http://instagram.com/nbctv Ncuti Gatwa Did Kourtney Kardashian Impressions on Doctor Who Set, Talks Ryan Gosling Screensaverhttp://www.youtube.com/fallontonight#FallonTonight#NcutiGatwa#JimmyFallon