Season 1

Yang Dong-geun

Choi Go-Bong

Age 38 (now 47)

Park Han-byul

Borg Mom

Age 32 (now 41)

Ivy

Do Do-Hye

Age 34 (now 43)

Choi Yeo-jin

Boo Ti-Na

Age 34 (now 42)

Hwang Bo-ra

Koo Seol Soo Ji

Age 33 (now 42)

Kwon Hyun-bin

Kwon Hyun-Bin

Age 20 (now 29)

Kim So-yeon

Na Heung-Shin

Age 36 (now 45)

Jung Ji-hoon

George

Age 10 (now 19)

Jung Yi-rang

Yoo Gwi-nam

Age 36 (now 45)

Choi Jung-won

Han Young-Cheol

Age 36 (now 45)