Cha Young-goon
Park Il-sun
Kim Jun-Beop (as Byeong-eun Park)
Judge
Hwang Kyu-Seok
Shin Duk-cheon (as Dal-su Oh)
Son Eun-Young
Choi Seul-gi (as Hee-jin Choi)
Il-sun's mother (as Ho-jeong Yu)
Radio announcer
King Giblets (as Joon-myeon Park)
Young-Goon's uncle
Young-goon's mother (as Yong-nyeo Lee)