How many movies have Jang Seong-ho and Song Joong-ki collaborated on?

They have worked on 2 movies together! Their first movie together was The Grand Heist (2012) while their highest rated movie together was A Werewolf Boy (2012). They have not worked together since A Werewolf Boy (2012).

Crew
Visual Effects Supervisor
Role
Wolf-Boy / Chul-soo
Crew
Visual Effects Supervisor
Role
Jung Yak-yong