Title: The Quiet Family
Film Director(s): Kim Ji Woon (Kim Ji Wun)
Film Producer(s): Lee Eun
Released: 1998 [Korea]
Genre: Comedy
Sub-Genre: Dark Comedy

Overview:
With their father fired, a family reparis an old mountain cottage and makes it an inn. Every guest they receive ends up dead and leads them into covering up their string of murders. As they have more bodies to bury, their response becomes more bold and apathetic. The murders and the secret burials become the family's daily routine and a technique they enjoy refining.

Cast:
Choi Min Shik, Song Kang Ho, Park In Hwan, Na Mun Hee, Ko Ho Kyeong, Lee Yun Seong, Jee Su Won, Lee Ki Young, Ki Ju Bong, Jeong Ji Hyeon. . .

taken from: http://www.hkflix.com/xq/asp/filmID.527692/qx/details.htm

IMO:
a very funny movie about the family who was force to kill under some circumstances... must watch!!!