Guest Stars Andrew Terraciano as Sean Reagan Abigail Hawk as Det. Abigail Baker Sami Gayle as Nicole "Nicky" Reagan-Boyle Tony Terraciano as Jack Reagan Selenis Leyva as Assistant ME Craig Aubrey Dollar as Sandy Huffman John Finn as David Cummings Amy Hargreaves as Dr. Karen Folson Timothy Busfield as Charles Bynes James Rebhorn as Archbishop McGovern Saidah Arrika Ekulona as Leslie Fuller O.R. Pharm. Bryan Scott Johnson as Det. Paul Collins Dominic Comperatore as Monsignor Lauro Ferraro James Murtaugh as Ret. Det. Loggia Toni D'Antonio as Consula