Movie Recommendations

[squidward]

Okay,

Any of you know of fun thrillers or gripping dramas based on plays or like plays... you know--with a small cast in an enclosed setting, along the lines of these films?

-The Killing Room (2009)

-Exam (2009)

-The Last Supper (1995)

-Deathtrap (1982)

-12 Angry Men (1957)