So Ji-sub as Cheol-min

Han Hyo-joo as Jung-hwa

Kang Shin-il as Manager Choi

Park Cheol-min as Coach Bang

Oh Kwang-rok as Park Chang-soo

Kim Mi-kyeong as Nun

Jin Goo as Workshop CEO

Jung Jae-jin as Switching Shift Elder

Park Seong-geun as Ophthalmologist

Kim Jung-pal as Dispatched Police

Yeom Hye-ran as Hairdresser

Yoon Jong-hwa as Min Tae-sik

Kim Seon-hwa as Volunteer

Cho Seong-ha as Head of Department Choi

Kim Jung-hak as Team Leader Ma

Lee Jin-hee as Ophthalmologist's Nurse

Wi Seung-bae as Martial Arts Champion

Min Kyung-jin as Janitor

Ahn Se-ho as Broker

Choi Kyo-sik as Realtor

Jung Yoon-seo as Rehab Director

Shin Cheol-jin as Elderly Man in Rehab

Jeong Dong-gyoo as Jung-hwa's Father

Chu Gwi-jeong as Jung-hwa's Mother

Lee Tae-young as Telemarketer #1

Jang Da-kyung as Telemarketer #2

Shin Beom-sik as Dong-soo

Choi Je-heon as Taekwondo Athlete

Park Gab-jin as Boxer

Kwon Ji-hoon as Martial Artist

Kwon Gwi-deok as Truck Driver

Kim Dan-yul as Dirty Kid

Goo Seung-hyun as Kid at Rehab

Lee Chae-won as Tae-sik's Girlfriend #1

Jang Ye-won as Tae-sik's Girlfriend #2

Kim Je-yeol as Thai Doorman

Lee Min-ah as Thai Janitor

Lee Yong-jik as Henchman

Park Ji-hwan as Gymnasium Athlete

Horan as Singer

Alex Chu as Singer