Jang Geun Seok (장근석) is a South Korean actor, most known for playing as Kim Eun-ho, Hwang Jin Yi's lover in the TV Series, KBS2 Hwang Jin Yi and is also featured to star in the future KBS2 Drama, Hong Gil Dong.

Personal Details:
Name : Jang Geun Seok / Jang Geun Suk / Jang Keun Suk (장근석)
Birthdate : August 4, 1987
Family : Father, Mother (Only Child)
Education : Hanyang University (Major In Movie)
Agency : Lobe Entertainment

TV Series:
SBS 1998 - Hug
SBS 2001 - Women's World, 여인천하
MBC 2001 - Four Sisters' Story, 네 자매 이야기
SBS 2002 - The Great Ambition, 대망
SBS 2002 - School
SBS 2002 - Orange
MBC2003 - Nonstop 4
SBS 2005 - Lovers in Prague
Tooniverse 2006 - Alien Sam
KBS2 2006 - Hwang Jin Yi
Heroine 6
MBC Rainbow Romance
KBS2 2008 - Hong Gil Dong (TV series)
KBS2 2008 - Timeless, 영원한 (unconfirmed)

Films:
One Missed Call: Final (2006)
Happy Life (2007)
Do Re Mi Fa So La Ti Do (2008)
The Longest 24 Months (2008)

Endorsements:
MCM
Etude House CF (With Go Ara)
Le Sportsac
SK Ting CF
Motorola
Black Engine by ETUDE House

Awards:
2006 KBS Performance Awards: Best Couple Award (together with his co-star Ha Ji Won)
MNet TOP 100 Charming Guys Who are Single
MNet Top 100 Adorable Males (2006): # 29
MNet Top 100 Must Have Males (2007): # 3

Credits to Wikipedia

China Website of Jang Geun Seok