Question: What is the stage name for actor who co-stared the 2016 film "Train to Busan" with Jung Yu-mi and Ma Dong-seok?
Sentence (from "Gong Yoo"): He is best known for his roles in television dramas "The 1st Shop of Coffee Prince" (2007) and "" (2016-2017), and the films "Silenced" (2011), "The Age of Shadows" (2016), and "Train to Busan" (2016).
Relevant evidence: No