Lee Jae-in (born February 6, 2004) is a South Korean actress. She first gained recognition through the mystery film Svaha: The Sixth Finger (2019). Other notable works include Racket Boys (2021) and Hi-Five (2025). Lee Jae-in (born February 6, 2004) is a South Korean actress. She first gained recognition through the mystery film Svaha: The Sixth Finger (2019). Other notable works include Racket Boys (2021) and Hi-Five (2025).