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.
Kim Dong-hyun
Jang Pan-soo
Oh Mi-sun
Oh Hyun-jung
Min-woo
Min-woo's Friend
Min-woo's Friend
Kim Jong-ki
Man-chul
Dam-im
Jae-hee
Japanese Teacher
Kim Jae-ik
History Teacher
Hotel Staff
Detective
Cheol-ho
Loan Shark
CEO Han
Coffee Employee
Pan-soo's Gang Member #4
Min-woo's Friend
Min-woo's Friend
Min-woo's Friend
Yoon-ji
Female Student #1
Chul-ho
Section Chief Jo
Loan Shark Big Man #1
Detective
Mansion Security Guard #2
Reporter
Section Chief Kwak
Landlord
Housekeeper
Bully Guy #2
Woodworking Employee
Pan-soo's Gang Member #3
Police #1
Hospital Ward Guard #1
Loan Shark Accountant
Grandmother
Attending Physician
Pianist
Party Girl
Cart Bar Man
Bar Owner
Nurse
Gun Carrying Man
Security Personnel #1
Min Woo-chin
Moneylender's Big Guy
Pan-soo's Gang Member
Wrecking Crew
Shared Meal Restaurant Couple Man
Imaginary Mi-seon
CEO Yang's Subordinate
Fat Man
Wrecking Crew
Pan-soo's Gang Member
Literature Teacher
Hospital Ward Guard #2
Bully
Min-woo's Friend
Min-woo's Friend
Kim Dong-hyun's Classmate
Han Seo-yeon
Math teacher
CGI Director
Costume Design
Executive Producer
Digital Intermediate
Writer
VFX Supervisor
Director
Sound Supervisor
Writer
Producer
Production Design
Editor
Director of Photography
Writer
Fight Choreographer
Theme Song Performance