Donald Edmond Wahlberg Jr. is an American singer-songwriter, actor and producer. He is a founding member of the boy band New Kids on the Block. Outside music, he has had roles in the Saw films, Zookeeper (2011), Dreamcatcher (2003), The Sixth Sense (1999), Righteous Kill (2008), and Ransom (1996), as well as the role of Carwood Lipton in the World War II miniseries Band of Brothers.
From 2002 to 2003, he starred in the crime drama Boomtown. He has starred in the drama series Blue Bloods as Danny Reagan since 2010, and since 2014 is an executive producer of the TNT reality television show Boston's Finest.
He was nominated for Choice Scream at the 2006 Teen Choice Awards for his work in the Saw films. He has also produced and starred in Rock This Boat, Donnie Loves Jenny and Return of the Mac on Pop TV. Wahlberg also produced and starred in the A&E reality series Wahlburgers, which earned him two Primetime Emmy Award nominations. He is the older brother of actor Mark Wahlberg and younger brother of actor Robert Wahlberg, film producer Jim Wahlberg, and chef Paul Wahlberg.