Jamie Jilynn Chung is an American actress and former reality television personality. She began her career in 2004 as a cast member on the MTV reality series The Real World: San Diego and subsequently through her appearances on its spin-off show, Real World/Road Rules Challenge: The Inferno II. She is regarded by many as the Real World alumna with the most successful media career.She later transitioned into acting and has since become known for films such as Dragonball Evolution, Grown Ups, Premium Rush, Sorority Row, The Hangover Part II, Sucker Punch, and Big Hero 6 (2014). Chung received critical acclaim for her lead performance in the independent drama film Eden. Chung played the lead role in the miniseries Samurai Girl, was a series regular in the two seasons (2017–19) of the superhero drama series The Gifted, played the recurring role of Mulan in the ABC fantasy television series Once Upon a Time, and has been a series regular, since 2017, as the voice of Go Go Tomago for the animated Big Hero 6: The Series – the role she voiced in the 2014 film. Beginning in August 2020, Chung began appearing in the recurring role of Ji-Ah on the HBO series Lovecraft Country.