Cha Jae Hoon is a South Korean actor and advertising model. He graduated with an associate's degree in Healthcare Administration from Doowon Technical University. He is the older brother of actor and former TO1 member (previously known as TOO) Cha Woong Ki. He made his debut in 2020 as a commercial model for SK Hynix. His first acting role came in 2021 when he appeared in the web mini series "Deoksaeng Reversal". He is currently without representation.