Lauren Tom (born August 4, 1961) is an American actress. Her roles include Lena St. Clair in The Joy Luck Club, Julie in the NBC sitcom Friends, Dot in the final season of Grace Under Fire, and the voices for Amy Wong in Futurama, Dana Tan in Batman Beyond, Jinx and Gizmo in Teen Titans and Teen Titans Go!, Minh and Connie Souphanousinphone in King of the Hill, and Numbuh 3 in Codename: Kids Next Door. She portrayed Celia Mack in the Disney Channel series Andi Mack and also played Mrs. Tran in the CW series Supernatural.