Oh Man-seok

as Zookeeper (segment "Chimpanzee")

as Professor Sin

as Bong-sam

as Tae-geun

as Lee Je-hee Foundation Secretary

as Reporter Kang

as Choi Young-hwan

as Jin-Soo's father

as Fitness Club Owner

as 'Bells of Passion' Reading Guest 1

as Boss

as Prosecutor

as Director Koo

as Street Writer 3

as Pastor

as Jang Suk-ho • 7 eps

as Kim Jung-hoon • 1 eps

as Hong Jeong-pyo • 12 eps

as Lee Dong-joon • 12 eps

as Lee Taek-yeol • 16 eps

as Um Sun-gu • 12 eps

as Woodsman • 2 eps

as Kwon Ji-woong • 14 eps

as Choi Dong Joon [Ro Hee's great-uncle] • 12 eps

as Yoo Gyo-yeon • 21 eps

as Ji-eun's father • 8 eps

as No Yu Cheol • 12 eps

as Designer Lee [Hyun Joo's father] • 1 eps

as Lee Young Goon [Professor] • 4 eps

as Yun Taek Il [Seung Beom and Sun Ho's dad] • 5 eps

as Kang Joo-man • 16 eps

as Park Hyeong Su [Jing Seong's father] • 12 eps

as Oh Sang Gun • 1 eps

as Jong Soo [Jin Soo's father] • 2 eps

as Chairman Baek • 2 eps

as Jong Soo • 2 eps

as [Young Geum and Ham Duk's father] • 4 eps

as Joo Man-Yong • 32 eps

as Yoo Nam-soo • 32 eps