A Bittersweet Life (2005)
Kim Sun-woo is an enforcer and manager for a hotel owned by a cold, calculative crime boss, Kang who assigns Sun-woo to a simple errand while he is away on a business trip; to shadow his young mistress, Hee-soo, for fear that she may be cheating on him with a younger man with the mandate that he must kill them both if he discovers their affair.
Cast
Lee Byung-hun
Sun-woo
Kim Yeong-cheol
Mr. Kang
Shin Min-a
Hee-soo
Kim Roi-ha
Moon-seok
Hwang Jung-min
Mr. Baek
Lee Ki-young
Oh Moo-seong
Oh Dal-su
Myeong-goo
Kim Hae-gon
Tae-woong
Kim Han
Se-yoon
Jin Goo
Min-gi
Oh Kwang-rok
Gangster
Jeon Kuk-hwan
Chairman Baek
Kim Seung-o
Moo-seong's Subordinate
Lee Han-sol
Moo-seong's Subordinate
Kim Soo-nam
Shoulder Bag
Heo Myeong-haeng
Shoulder Bag
Eric Mun
Tae-goo
Park Jin-woo
Cheol-moon
Woo Sang-jeon
Mr. Seong
Jung Yu-mi
Mi-ae
Kwak Min-ho
Lounge Male Employee
Kim Ji-hoon
Pianist
Yoo Sang-seob
Moon-seok's Subordinate
Park Seon-woong
Gyeong-pyo
Oh Yoo-jin
Korean Restaurant Employee
Park Seong-gyoon
Shoulder Bag