Have you tried the Dae Jo Young eps uploaded at the KBFD forum that pridea linked to? jmong reuploaded all the previous episodes onto Megaupload, you just have to check the last 3-4 pages from the back.
Historical dramas have a very short shelf life on DA anyway, because they're extremely long and seeders disappear very fast. Only the more recent historical kdramas have been posted on DA, and even so, only the blockbuster hits, because they're not as popular with the overseas fan community and they're so hard to translate that they're mostly unsubbed.
Im Hyuk as Dae Jung-sang, Dae Jo-yeong's father.
Hong Soo-hyun as Suk-yeong, Dae Jo-yeong's wife.Choi Soo-jong as Dae Jo-yeong, later Go of Balhae.The drama drew attention even before its premiere for its efforts to create a perfect picture, as even a special KBS video group was formed to create realistic fight scenes, such as the massive siege war between Goguryeo and the Tang dynasty created using 3D digital characters and the scene showing the fall of a mountain during the battle of Fort Ansi. Several important historical figures in the film are played by seasoned middle-aged actors, whose masterful acting emphasizes the film's good plot. Cho-rin is played by Park Ye-jin, while Suk-yeong is played by Hong Su-hyun. The two also face the love of Cho-rin, a woman from the Georan tribe, and the granddaughter of King Bojang, Suk-yeong. The role of Dae Jo-yeong is played by actor Choi Su-jong, while the role of Yi Hae-go, a rival of Dae Jo-yeong for supreme power in the northern territories, is played by actor Chung Bo. This 100-episode epic depicts the lives of King Dae Jo-yeong and other heroes of the Balhae Kingdom, dating back 1300 years. It tells the life of Dae Jo-yeong, the founder of Balhae Kingdom. Dae Jo-yeong Episode 1 Review ABOUT DRAMA: Dae Jo-yeongĭae Jo-yeong (Korean: 대조영 Hanja: 大 祚 榮 RR: Dae Jo-yeong MR: Tae Joyŏng) is a Korean drama that aired from Septemto Decemon KBS1 radio station.