Oh Man-seok

as Professor Sin

as Tae-geun

as Bong-sam

as Lee Je-hee Foundation Secretary

as Reporter Kang

as Choi Young-hwan

as Jin-Soo's father

as Hunter

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

as Hong Jeong-pyo

as Kim Jung-hoon

as Lee Dong-joon

as Woodsman

as Um Sun-gu

as Lee Taek-yeol

as Kwon Ji-woong

as Yoo Gyo-yeon

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

as Designer Lee [Hyun Joo's father]

as Ji-eun's father

as No Yu Cheol

as Lee Young Goon [Professor]

as Kang Joo-man

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

as Oh Sang Gun

as Chairman Baek

as Park Hyeong Su [Jing Seong's father]

as Jong Soo [Jin Soo's father]

as Yoo Nam-soo

as [Hunter]

as Joo Man-Yong

as [Young Geum and Ham Duk's father]

as Jong Soo

as Yun Sang-gi

as Kim Jin Sung [Prime Minister candidate]