Gong Yoo experienced a new high in his career with consecutive hit works in 2016. His first film in 2016 was the melodrama A Man and a Woman alongside critically acclaimed actress Jeon Do-yeon. He then starred in the hugely successful zombie blockbuster Train to Busan, which surpassed 11 million admissions in South Korea. He then starred in another box office hit The Age of Shadows, which surpassed 6 million admissions in two weeks.
In December 2016, Gong Yoo returned to television in Kim Eun-sook's fantasy-romance drama Guardian: The Lonely and Great God, playing the titular goblin. The drama was a massive hit and Gong won Best Actor at the Baeksang Awards for his performance.