Katy Kung as Si Na "Julia" Chung, Sam's younger half-sister
Katy Perry | Kung Fu | Kung Fu (TV series) | Hans Küng | Kung Fu Hustle | Kung Fu: The Legend Continues | Kung Fu Panda | National Cheng Kung University | Katy, Texas | Shaolin Kung Fu | Kung Lao | Hong Kong Sheng Kung Hui | Kung Fu Fighting | Katy | kung fu | Katy B | Kung Mawawala Ka | Kung Fu Panda 2 | Katy Trail State Park | Katy Hill | Praying mantis kung fu | One of the Boys (Katy Perry album) | Kung Pow: Enter the Fist | Küng | !Kung | Katy Wix | Katy Cavanagh | Katy Carr | Chiang Pin-kung | Teenage Dream (Katy Perry album) |