as Kang Min-hyuk
as Airline passenger(1 ep)
as Kim Tae Soo [Yo Han's father](1 ep)
as Yoon Tae-gyeong(16 eps)
as Chang-min
as Himself
as Min Kang-ho(16 eps)
as Tae Soo-Ho(16 eps)
as Yoo Woong-jae(10 eps)
as Self(1 ep)
as Ji Yoon-Ho(16 eps)
as Yoo Hyeong Jun(102 eps)
as Coach Nam
as Kang Sung-jae(121 eps)
as 재현
as Heo Yeom(20 eps)
as Self(9 eps)
as Yang Kang-tae(20 eps)
as Waiter