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Halloweentown High marked Finn Wittrock's cinematic debut. Released in 2004, this Disney Channel Original Movie follows Marnie Piper, a young witch who attends Halloweentown High School. Wittrock portrays Cody, a human who befriends Marnie and helps her navigate the challenges of her new environment. This role launched Wittrock's acting career, paving the way for his subsequent appearances in notable films and television series.