Kim Tae-woo
With Yoon having left the group in 2004, they decided to take a break in 2006 as the lead vocalist of the group Kim Tae-woo was required to perform his compulsory military duty. The other four members began their solo careers in the entertainment industry while Park returned to the United States. He moved back to the Los Angeles area to pursue acting, having a cameo on "Speed Racer" as the Platinum blond-haired Yakuza Driver and the role of Yamcha in the live-action film version of "Dragonball Evolution" in which he starred with Chow Yun Fat, Justin Chatwin, Emmy Rossum and Jamie Chung. He injured his back while filming "Dragonball Evolution" and was forced to rehabilitate for over two years.