Cõng Anh Mà Chạy

Jung Young Joo

Park Bok Sun [Im Sol's mother]

Sung Byung Sook

Jung Mal Ja [Im Sol's grandma]

Song Ji Ho

Im Geum [Im Sol's brother]

Seo Hye Won

Lee Hyeon Ju [Im Sol's friend]

Kim Won Hae

Ryu Geun Deok [Seon Jae's father]

Ahn Sang Woo

Kim Seok Hyeon [JNT’s CEO]

Lee Il Joon

Park Dong Seok [Seon Jae's manager]

Moon Xion

Hyeon Su [‘Eclipse’ drummer]

Jang Hyuk

Jay [‘Eclipse’ bassist]

Lee Chul Woo

Kim Hyeong Gu [Seon Jae's rival]

Kim Hyun Kyu

Choi Hyeon Gu [Seon Jae's friend]

Jung Kang Hee

Coach An [Swimming team coach]

Lee Woo Je

Kim Cho Rong [Seon Jae's friend]

Park Yoon Hee

Kim Won Cheol [Tae Seong's father]

Kim Hwi Gyu

Cha I Seul [Tae Seong's friend]

Oh Se Young

Choi Ga Hyeon [Tae Seong's ex-girlfriend]

Jeon Young

Lee Gyeong Ja [BON cinema's CEO]

Ko Tae Jin

Choi Jeong Hun [BON cinema's employee]

Heo Hyung Kyu

Kim Yeong Su [Taxi driver]