Question: The actor who starred in "The Emperor: Owner of the Mask" and also appeared in "The Magician" rose to fame as a child actor in which film?
Sentence (from "The Emperor: Owner of the Mask"): The Emperor: Owner of the Mask () is a South Korean television series starring Yoo Seung-ho, Kim So-hyun, Kim Myung-soo, Yoon So-hee, Heo Joon-ho and Park Chul-min.
Relevant evidence: Yes