Sean Penn and Benecio Del Toro, two of the most gripping actors around, play wildly different men linked through a grieving woman (Naomi Watts) in 21 Grams. Del Toro delves deep into the role of an ex-con turned born-again Christian, a deeply conflicted man struggling to set right a terrible accident, even at the expense of his family. Penn captures a cynical, philandering professor in dire ...