Claim: Donnie Wahlberg plays Tom Selleck's character's son on Blue Bloods.
Evidence: He has been starring in the drama series Blue Bloods as Danny Reagan with Tom Selleck -LRB- his TV father -RRB- and Bridget Moynahan -LRB- his TV sister -RRB- since 2010 , and since 2014 is an executive producer of the TNT reality television show Boston 's Finest.