Obsessed (2009)

Obsessed is a 2009 American thriller film directed by Steve Shill, starring Idris Elba, Beyoncé and Ali Larter.

Plot
The film is about a female office temp (Ali Larter) who becomes romantically interested in her boss (Idris Elba) and tries to seduce him, but when he denies her advances, she becomes obsessed with him to the point that she terrorizes him & his wife (Beyoncé).

Cast

 * Idris Elba: Derek Charles
 * Beyoncé: Sharon Charles
 * Nathan and Nicolas Myers: Kyle Charles
 * Ali Larter: Lisa Sheridan
 * Christine Lahti: Detective Monica Reese
 * Jerry O'Connell: Ben
 * Scout Taylor-Compton: Samantha
 * Bruce McGill: Joe Gage
 * Matthew Humphreys: Patrick
 * Richard Ruccolo: Hank