Guest stars Edit Classic editor History Talk0 1,503 articles on this wiki Category page Sorting type: Most visited Most visited Alphabetical | The following are guest stars who appeared in episodes of Person of Interest. Pages in category "Guest stars" Amy Acker Cara Buono John Nolan Julian Ovenden Enrico Colantoni Michael Stahl-David Winston Duke Paige Turco Chris Bert David Valcin “ Joseph Mazzello plays Daniel Casey in "RAM" and "A House Divided". Joseph Mazzello “ John Magaro portrays a young Elias (Age 22) in "Flesh and Blood". John Magaro “ Quinn Shephard plays Claire Mahoney in "Nautilus". Quinn Shephard “ Rachel Miner portrays Root in "Root Cause", although her face is never seen. Rachel Miner Elaine Tan Bruce Altman Back 1 2 3 4 ... 22 Next Retrieved from "http://personofinterest.wikia.com/wiki/Category:Guest_stars?oldid=50815"