Obsessed (with Beyoncé Knowles) All's fair when love is war. Idris Elba ... Derek Beyoncé Knowles ... Sharon Ali Larter ... Lisa Jerry O'Connell ... Ben Bonnie Perlman ... Marge Christine Lahti ... Reese Nathan Myers ... Kyle Nicolas Myers ... Kyle Matthew Humphreys ... Patrick Scout Taylor-Compton ... Samantha Richard Ruccolo ... Hank Bryan Ross ... Security Man Nelson Mashita ... Doctor Bruce McGill ... Joe Gage Ron Roggé ... Roger
