He gained recognition for his roles in the television series Reply 1988 (2015–16), Don't Dare to Dream (2016), and Chicago Typewriter (2017).

[13] The story follows weather caster Pyo Na-ri (Gong Hyo-jin) and news anchor Lee Hwa-shin (Jo Jung-suk), who have been long-time colleagues at SBC broadcasting station.

[14] In 2017, Go starred in tvN's fantasy-romance drama Chicago Typewriter alongside Yoo Ah-in and Im Soo-jung.

[15] The same year, he was cast in his first leading role in KBS's drama Strongest Deliveryman alongside Chae Soo-bin.

In April 2022, Decision to Leave was selected to compete for the Palme d'Or at the 2022 Cannes Film Festival,[23] where Park Chan-wook won Best Director.

The film depicts an encounter between South and North Korean soldiers over the 5.7 billion won lottery that fled the Military Demarcation Line because of the wind.

[32] Go then appeared as main lead in Love in Contract, a television series starring Park Min-young, and Kim Jae-young.

[33][34] His next work was Takashi Miike's OTT Series Connect ) starring Jung Hae-in, and Kim Hye-jun.