Title: List of Blue Bloods characters
Content:  is happily married in season 6 when questioned by his former partner Lenny. She subsequently became pregnant and gave birth during season 7. Having been with Frank for nine years as of season 8's "Heavy Is the Head", Baker longs for more active detective work despite Frank's assurances that he needs her and often leans on her detective's instincts. She receives an offer working for newly-promoted Captain Bullman, who used to be her sergeant, but Frank refuses to let her resign. Frank reluctantly tells Abigail later that he found out Bullman mainly wanted to hire her to have someone in his 
Title: List of Blue Bloods characters
Content:  Detective 2nd Grade Abigail Baker is a member of the Police Commissioner's (Detective) Squad who serves as Frank's primary aide. She was credited in Season 1 as "Det. Melissa Baker", however was referred to as Abigail throughout the season and the name was changed in Season 2. Baker is portrayed by Abigail Hawk. In "Manhattan Queens", Baker was harassed by Suffolk County Police Department Deputy Chief Sam DeLuca, who had a romantic interest in her. In the same episode it is revealed that she is from Ocean Bay Park and her parents still live there. She speaks fluent Japanese. Frank mentions 
Title: Blue Bloods (season 6)
Content: Marisa Ramirez as Detective Maria Baez ; Vanessa Ray as Officer Edit "Eddie" Janko ; Abigail Hawk as Detective Abigail Baker ; Gregory Jbara as Deputy Commissioner of Public Information Garrett Moore ; Robert Clohessy as Lieutenant Sidney Gormley 
Title: Abigail Hawk
Content:  At first she found a number of small parts in productions including Law & Order: Special Victims Unit, and Across the Universe. In 2010, Hawk began her long-running role on Blue Bloods. In that series, she plays Detective 2nd Grade Abigail Baker, a member of the Police Commissioner's (Detective) Squad who serves as the primary aide to Police Commissioner Frank Reagan (Tom Selleck). Hawk's character was introduced in the first season of the series (although Detective Baker's name was shown as "Det. Melissa Baker" in the closing credits, it was changed to "Det. Abigail Baker" in subsequent episodes). Since that time, Hawk has appeared in 
Title: Blue Bloods (season 4)
Content: Amy Carlson as Linda Reagan ; Sami Gayle as Nicole "Nicky" Reagan-Boyle ; Marisa Ramirez as Detective Maria Baez ; Abigail Hawk as Detective Abigail Baker ; Vanessa Ray as Officer Edit "Eddie" Janko ; Gregory Jbara as Deputy Commissioner of Public Information Garrett Moore ; John Ventimiglia as Chief of Department Dino Arbogast 
Title: List of Blue Bloods characters
Content:  Nurse Linda Rose Reagan (née O'Shea) was Danny Reagan's wife. She was portrayed by Daytime Emmy-nominated actress, Amy Carlson.
Title: Blue Bloods (season 3)
Content:  Donnie Wahlberg, Bridget Moynahan, Will Estes and Len Cariou are first credited, with Tom Selleck receiving an "and" billing at the close of the main title sequence. Amy Carlson and Sami Gayle are once again credited as "also starring" within the episodes they appear, whilst Jennifer Esposito entered a dispute with CBS regarding doctor's orders for her to cut back working hours due to her Coeliac disease. Rather than work around her limited schedule, CBS chose to replace her character this season. As such, Esposito only appears in six episodes, receiving "also starring" billing in all of them. CBS has lined up guest stars to replace Esposito as Danny's temporary partner in story arcs. First up is Megan Ketch as Detective Kate Lansing. Megan Boone, from Law & Order: LA, appeared in later arcs during the season, although her contract stipulates she has the option to remain as a regular, "also starring" member of the cast should a deal not be reached with Esposito before the fourth season. Marisa Ramirez appeared in the final seven episodes as Danny's partner, Det. Maria Baez.
Title: Blue Bloods (season 3)
Content: Jennifer Esposito as Detective Jackie Curatola ; Amy Carlson as Linda Reagan ; Sami Gayle as Nicole "Nicky" Reagan-Boyle ; Megan Ketch as Detective Kate Lansing ; Marisa Ramirez as Detective Maria Baez 
Title: List of Blue Bloods characters
Content:  The new Commander of the 54th Precinct's Detective Squad, Lieutenant Dee Ann Carver is Danny's strict, by-the-book boss who took over after Sgt. Gormley was transferred to 1PP. She is portrayed by LaTanya Richardson Jackson. She is the adoptive mother of a baby girl whose father committed suicide in front of her and Danny, despite their best efforts to talk him down.
Title: Blue Bloods (season 1)
Content:  Sami Gayle portrayed Erin's teenage daughter Nicole "Nikki" Reagan-Boyle (Marlene Lawston played this role in the pilot episode). Abigail Hawk portrayed Abigail Baker, Frank's primary aide. Brothers Andrew and Tony Terraciano portray Sean and Jack Reagan, Danny and Linda's sons. Gregory Jbara acted as Garrett Moore, the NYPD's Deputy Commissioner of Public Information. Robert Clohessy played Sgt. Sidney Gormley, the immediate supervisor of Danny and the other detectives at the precinct. Actress Dylan Moore appeared in the first eight episodes as Jamie's short-lasting fiancée Sydney Davenport. Bruce Altman portrayed Mayor Frank Russo, Frank's superior. Andrea Roth appeared in four episodes as Kelly Davidson, a television news reporter who 

Question: who is the actress who plays baker on blue bloods?
Answer: Abigail Hawk.