who plays nikki in season 1 of blue bloods
Blue Bloods (season 1) Several recurring characters appeared in the first season. Amy Carlson appeared as Linda Reagan, Danny's wife and mother of two children Jack and Sean.[7] Sami Gayle portrayed Erin's teenage daughter Nicole "Nikki" Reagan-Boyle[7] (Marlene Lawston played this role in the pilot episode).[8] Abigail Hawk portrayed Abigail Baker, Frank's primary aide. Brothers Andrew and Tony Terraciano portray Sean and Jack Reagan, Danny and Linda's sons.[9] Gregory Jbara acted as Garrett Moore, the NYPD's Deputy Commissioner of Public Information.[9] Robert Clohessy played Sgt. Sidney Gormley, the immediate supervisor of Danny and the other detectives at the precinct.[9] Actress Dylan Moore appeared in the first six episodes as Jamie's brief fiance Sydney Davenport.[7] Bruce Altman portrayed Mayor Frank Russo, Frank's superior.[9] Andrea Roth appeared in four episodes as Kelly Davidson, a television news reporter who dated Frank. Yvonna Kopacz Wright portrayed Ava Hotchkiss, a detective at the precinct and Danny's temporary partner.[10] Noelle Beck appeared in three episodes as Frank's Deputy Press Secretary Sue Connors.[9] Nick Sandow recurred in four episodes as Lieutenant Alex Bello, an officer at Internal Affairs.[11] Michael T. Weiss portrayed Sonny Malevsky, a detective who had worked with Joe Reagan before his murder.[11] Colleen Clinton appeared as Agent Anderson, an FBI agent who attempts to recruit Jamie for her investigation into the Blue Templar.[12] Bobby Cannavale appeared in three episodes as Charles Rosselini, Erin's boss who becomes romantically involved with her.[13] Robert John Burke portrayed Jyle Hogan in three episodes.[14]
Peter Hermann (actor) He also guested on 30 Rock during its first season, and starred in ABC's mid-season replacement series, Cashmere Mafia, as Davis Draper. As of 2011 he appears in the Broadway play War Horse, and makes occasional appearances as Erin Reagan's ex-husband John "Jack" Boyle on Blue Bloods.[6][7][8]