Main characters •
Ryu Jin as Ryu Jin-haeng - timid announcer •
Lee Ki-woo as Ryu Ki-woo •
Ha Seok-jin as Ha Seok-jin •
Claudia Kim as Kim Soo-hyun - an easygoing variety producer •
Jung So-min as Jung So-min •
Im Si-wan as Yim Si-wan •
Choi Jung-woo as Ryu Jung-woo •
Park Joon-geum as Park Joon-geum •
Kim Yeon-woo as Kim Yeon-woo •
Go Kyung-pyo as Kim Kyung-pyo •
Simon Dominic as Ssam D •
Kim Ye-won as Kim Ye-won
Supporting characters •
Park Eun-ji as Park Eun-ji • Kim Seung-pil as cameraman • Woo Hye-jin as Choi Yoon-hee • Sa Mi-ja as Jung-woo's mother •
Jung Ga-ram as Jung Ga-ram • Yeom Dong-heon as Jung-woo's friend • Ahn Hye-kyung as lawyer • Choi Eun-kyung as president of education consulting company
Cameo appearances •
Park Myung-soo as Ascetic Geosung •
Julien Kang as Joon-geum's fan •
Lee Chae-young as Seok-jin's first love •
Park Se-mi as high school student on blind date •
Hyemi as high school student on blind date •
Park Mi-sun as Park Mi-sun •
Kim Young-ok as Joon-geum's mother •
Yoo So-young as So-ra •
Hwang Kwang-hee as Ha Kwang-hee, Seok-jin's younger brother (ep 76-77) •
Ha Dong-hoon as Rapper H ==References==