|Other names||Yoo Dong-kun|
|Education||Seoul Institute of the Arts - Theater|
|Spouse(s)||Jeon In-hwa (m. 1989)|
|Revised Romanization||Yu Dong-geun|
On December 29, 2007, Yoo landed in the news for assaulting two producers of The King and I. Yoo was reportedly enraged because the scripts were routinely turned in late, which exhausted his wife Jeon In-hwa, an actress in the TV series. He later apologized for the incident.