Peak Time: Reparto
Lee Seung-gi
Self - MC
Cho Kyu-hyun
Self - Judge
Tiffany Young
Self - Judge
Jay Park
Self - Judge
Lee Gi-kwang
Self - Judge
Kim Sung-kyu
Self - Judge
Song Min-ho
Self - Judge
Shim Jae-won
Self - Judge
Ryan Jhun
Self - Judge
Moonbyul
Self - Judge
Lee Seung-hyun
as a member of AIMERS
Choi Eun-jun
as a member of AIMERS
Kim Do-ryun
as a member of AIMERS
Kim Yo-el
as a member of AIMERS
Park Seung-hwan
as a member of AIMERS
Hwang Woo-young
as a member of AIMERS