Drama Premise: The lives and staff at Mercy Hospital as told through the eyes of the nurses. First impressions: Can't we all just get along? "Mercy" almost feels like a parody, with its tough-as-nails (but conflicted!) central character bucking the rules and schooling the doctors at their own game. Will a public inundated by medical dramas buy this nurse-centric vision? Stars: Taylor Schilling ("Dark Matter"), Jamie Lee Kirchner ("Rescue Me"), Michelle Trachtenberg ("Gossip Girl"), James Tupper ("Men in Trees"), Diego Klattenhoff ("Supernatural"), Guillermo Diaz ("Weeds Producers: Liz Heldens ("Friday Night Lights"), Gretchen Berg and Aaron Harberts ("Pushing Daisies," "Pepper Dennis"), Gail Berman and Lloyd Braun. VIDEO: 'Mercy'