as Ji-woong
as Kim Ki-won
as Oh Cha-yong
as Yoon Seung-Beom
as Bang Woo-ram
as 'Grandma's Sundae Soup' waiter
as Lee Dan
as Yang Won-dae
as Jang Kyu-young
as Jo Gyeong-hwan
as Go Myung Jin
as Hyung-sik
as Kim Yong-woo
