Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.
as Kim Dong-hyun
as Jang Pan-soo
as Oh Mi-sun
as Oh Hyun-jung
as Min-woo
as Kim Jong-ki
as Man-chul
as Dam-im
as Jae-hee
as Japanese Teacher
as Kim Jae-ik
as History Teacher
as Hotel Staff
as Detective
as Cheol-ho
as Loan Shark
as CEO Han
as Coffee Employee
as Min-woo's Friend
as Min-woo's Friend
as Min-woo's Friend
as Min-woo's Friend
as Min-woo's Friend
as Min-woo's Friend
as Min-woo's Friend
as Yoon-ji
as Chul-ho
as Section Chief Jo
as Loan Shark Big Man
as Detective
as Hospital Ward Guard 1
as Hospital Ward Guard 2
as Mansion Security Guard
as Reporter
as Section Chief Kwak
as Landlord
as Housekeeper
as Woodworking Employee
as Police
as Loan Shark Accountant
as Grandmother
as Attending Physician
as Pianist
as Party Girl
as Cart Bar Man
as Bar Owner
as Pan-soo's Gang Member 1
as Pan-soo's Gang Member 2
as Pan-soo's Gang Member 3
as Pan-soo's Gang Member 4
as Nurse
as Gun Carrying Man
as Security Personnel
as Min Woo-chin
as Moneylender's Big Guy
as Wrecking Crew
as Shared Meal Restaurant Couple Man
as Imaginary Mi-seon
as CEO Yang's Subordinate
as Fat Man
as Female Student
as Wrecking Crew
as Literature Teacher
as Bully 1
as Bully 2
as Kim Dong-hyun's Classmate
as Han Seo-yeon
as Math Teacher
