Park Hyung-sik is a South Korean actor and singer. After three years of training, he debuted as a member of the South Korean boy group ZE:A in 2010. As an actor, he is known for his roles in The Heirs (2013), High Society (2015), Hwarang: The Poet Warrior Youth (2016), Strong Girl Bong-soon (2017), Suits (2018), Happiness (2021), Our Blooming Youth (2023), and Doctor Slump (2024). He has also starred in films and musical theatre productions.

The Heirs, also known as The Inheritors, is a South Korean television series starring Lee Min-ho, Park Shin-hye, and Kim Woo-bin. Written by Kim Eun-sook, the drama is set in a high school populated by the privileged and uber-rich. It aired on SBS from October 9 to December 12, 2013.