 When she was 13, Ludwick played the character Yumi in "Thirteen," a 2003 autobiographical drama film based on American film actress/writer Nikki Reed's experiences as a 12 and 13 year-old girl.About a year later, Ludwick appeared on "Movie Surfers", a Disney Channel short show where four teenagers go behind the scenes to report on Disney-related films.After this successful career, she starred in "Ned's Declassified School Survival Guide" as Jennifer.