Director Jon M. Chu , producer Lorenzo di Bonaventura and actors Dwayne Johnson, Lee Byung-hun, Adrianne Palicki and D.J. Cotrona arrived in Seoul for the world premiere and press conference of the upcoming Hollywood’s blockbuster G.I. Joe 2: Retaliation.

Dwayne Johnson, aka 'The Rock,' acted as Roadblock, who leads the counterattack of G.I. Joe in the film. He sent a special video greeting to Korean audiences saying, “In my upcoming film G.I. Joe: Retaliation, I had the best time filming this movie with my good friend Byung-Hun Lee, a huge star in Asia. I hope you like it.”

http://www.youtube.com/watch?v=QLR3HrV71yM