Lee Seung-gi
(Episodes 1-present)
Yang Se-hyung
Kim Dong-hyun
(Episodes 114-present)
Eun Ji-won
(Episodes 216-present)
Doyoung
(Episodes 227-present)
Yoo Su-bin
(Episodes 180-215)
Cha Eun-woo
(Episodes 116-177)
Shin Sung-rok
(Episodes 85-86, 102-177)
Lee Sang-yun
(Episodes 1-111)
Yook Sung-jae
Actor
Lee Jin-hyuk
[1-Day Disciple]
