Liam Neeson, Julianne Moore and Mamma Mia star Amanda Seyfried have joined the drama film Chloe, for director Atom Egoyan. According to the informed folk at Variety, Moore will play a doctor who suspects her other-half (to be played by Neeson) of cheating. She tests his fidelity by hiring an escort (the pouty Seyfried) to seduce him. The move creates complications that put her and her family in danger. Neeson was last seen on screen in the sleeper-hit action film Taken, where he handed out lickings like a mediocre model hands out leaflets for The Body Shop.