<Tr> <Td> Marisa Ramirez </Td> <Td> Detective Maria Baez </Td> <Td_colspan="2"> </Td> <Td> Recurring </Td> <Td_colspan="5"> Also starring </Td> </Tr> <Tr> <Td> Vanessa Ray </Td> <Td> Officer Edit "Eddie" Janko </Td> <Td_colspan="3"> </Td> <Td> Recurring </Td> <Td_colspan="4"> Also starring </Td> </Tr> <Ul> <Li> Robert Clohessy as Lieutenant Sidney "Sid" Gormley, Special Assistant to the Commissioner (season 5--present), Detective Sergeant of the 54th Precinct (seasons 1--5) </Li> <Li> Gregory Jbara as Garrett Moore, NYPD Deputy Commissioner of Public Information </Li> <Li> Abigail Hawk as Detective Abigail Baker, Commissioner's Detective Squad & Commissioner's primary aide </Li> <Li> Nicholas Turturro as Sergeant Anthony Renzulli, Jamie's first partner & training officer, 12th Precinct supervisor </Li> <Li> Andrew Terraciano as Sean Reagan, Danny and Linda's younger son </Li> <Li> Tony Terraciano as Jack Reagan, Danny and Linda's older son </Li> <Li> James Nuciforo as Detective Jim Nuciforo, Commissioner's Detective Squad & Commissioner's security detail </Li> <Li> David Ramsey as Mayor Carter Poole (seasons 2--7) </Li> <Li> Ato Essandoh as Reverend Darnell Potter (seasons 2--present) </Li> <Li> Brian Roland as Richard, assistant to ADA Reagan (season 2--present) </Li> <Li> James Lesure as DA Investigator Alex McBride (season 5--present) </Li> <Li> Bruce Altman as Mayor Frank Russo (season 1); while he is credited under that character name in Season 1, the name is never actually mentioned . When he makes a return appearance in Season 3, his character is introduced as "Former Mayor Robert Levitt". </Li> <Li> Bobby Cannavale as District Attorney Charles Rosselini (season 1) </Li> <Li> Noelle Beck as Sue Connors, Commissioners' Deputy Press Secretary (season 1) </Li> <Li> Dylan Moore as Sydney Davenport, brief fiancée of Jamie (season 1) </Li> <Li> John Ventimiglia as Dino Arbogast, Chief of Department (season 4), Organized Crime Control Bureau Chief (season 2) </Li> <Li> Peter Hermann as Jack Boyle, defense attorney and Erin's ex-husband (seasons 3, 4, 7, and 8) </Li> <Li> Sebastian Sozzi as Officer Vincent "Vinny" Cruz (season 3) </Li> <Li> Megan Boone as Detective Candice "Mac" McElroy (season 3) </Li> <Li> Megan Ketch as Detective Kate Lansing (season 3) </Li> <Li> Amy Morton as Trial Bureau Chief ADA Amanda Harris (seasons 3 & 4) </Li> <Li> Bebe Neuwirth as Kelly Peterson, Inspector General of the NYPD (season 4) </Li> <Li> Holt McCallany as District Attorney Robert McCoy (seasons 4 & 5) </Li> <Li> Jeff Wincott as ESU Captain Mancuso (guest seasons 3 & 5) </Li> <Li> LaTanya Richardson as Lieutenant Dee Ann Carver, Commanding Officer of the 54th Precinct (season 5) </Li> <Li> Steve Schirripa as Det . Anthony Abetemarco, a DA investigator who works with Erin (season 6 - present) </Li> <Li> Sean Christopher Franson as Interim Director of Investigations (seasons 4 and 6) </Li> <Li> Mark Linn - Baker as Carlton Miller . Public Affairs Chief for the Mayor's Office (season 7 - present) </Li> <Li> Stacy Keach as Archbishop Kevin Kearns (season 7 - present) </Li> <Li> Lorraine Bracco as Mayor Margaret Dutton . Former Public Advocate who takes over as Interim Mayor after Carter Poole resigns (season 8 - present) </Li> </Ul> <Li> Robert Clohessy as Lieutenant Sidney "Sid" Gormley, Special Assistant to the Commissioner (season 5--present), Detective Sergeant of the 54th Precinct (seasons 1--5) </Li>

Who is the actress who plays the mayor in blue bloods