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 "Yoo Seung-ho"): After his two-year mandatory military service, he headlined the legal drama "" (2015) and historical films "The Magician" (2015), "" (2016), as well as historical drama "" (2017).
Relevant evidence: Yes