Donnie Wahlberg acts.
Donnie Wahlberg . ( born August 17 , 1969 ) is an American singer , songwriter , actor , record producer , and film producer . Outside of music , he has had roles in the Saw films , The Sixth Sense , Dreamcatcher , and Righteous Kill , also appearing in the World War II miniseries Band of Brothers as First Lieutenant Carwood Lipton . He has also produced and starred in `` Rock this Boat '' , `` Donnie Loves Jenny '' and `` Return of the Mac '' on Pop TV .