[6] In 2009, Park joined the cast of SBS reality variety show Family Outing, which gave him more exposure.

[17] This was followed by supporting roles in fantasy romance series My Love From the Star (2013)[18] and medical drama Doctor Stranger (2014).

[36] Following the success of Cheese in the Trap, Park was confirmed to reprise his role as Yoo Jung in the film adaptation of the webtoon, which was released in 2018.

[41][42] On November 2, 2016, it was announced that Park would star in a web drama titled 7 First Kisses for Lotte Duty Free.

[45] The drama drew attention in China and was heavily featured on local media despite the country's ban on Korean cultural content and celebrities.

[46][47] In 2017, Park was cast in the romance thriller Four Men, which was set to air in 2018 but faced multiple delays and production was later cancelled due to contractual breach.

[48][49] In 2020, Park starred in the romantic comedy drama Forest as a special emergency rescue team worker.

[56] In 2023, he was cast as the main lead in the crime drama The Killing Vote alongside Lim Ji-yeon and Park Sung-woong.

[68][69] Mountain Movement confirmed Park has donated a total of 1.7 billion won (S$1.5 million) in various local and international charities since 2011.

[78] Since 2015, Park has donated to the Hae Sim Won child welfare facility and has continued to do so regularly.