任時完

Im Si-wan (Korean: 임시완; born Im Woong-jae) is a South Korean actor and singer. He debuted as a member of the South Korean boy group ZE:A and its sub-group ZE:A Five. As an actor, he is best known for starring in the film The Attorney (2013), and the television series Misaeng: Incomplete Life (2014) and Run On (2020). He gained international recognition for his role in the second and third seasons of Squid Game (2024–2025).