Younger brother of Arthur Wahlberg, Donnie Wahlberg and Robert Wahlberg. His older siblings are: Arthur Wahlberg, James Wahlberg, Debbie Wahlberg, Michelle Wahlberg, Paul Wahlberg, Tracey Wahlberg, Robert Wahlberg and Donnie Wahlberg. Robert, Donnie and Mark are from their mother's third marriage with Donald Wahlberg.
United States Marine (Veteran) Daniel Fitzgerald âDannyâ Reagan is the oldest child of Frank and Mary Reagan, and the older brother of Erin, Joe, and Jamie Reagan. Danny is an investigator of New York City's 54th Precinctâs Detective Squad, specializing in Major Crimes, and doing what needs to be done to serve justice in the fight against crime.
Share this: To Tell The Truth -- After Danny (Donnie Wahlberg, left) is an eyewitness to a murder by a Peruvian drug lord with a history of intimidating witnesses, a member of his family is put in jeopardy in an attempt to keep him from testifying, on BLUE BLOODS, Friday, April 1 (10:00-11:00 PM, ET/PT) on the CBS Television Network.