Donnie Wahlberg in not an actor.
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 . From 2002 to 2003 , he starred in the crime drama Boomtown . He has also produced and starred in `` Rock this Boat '' , `` Donnie Loves Jenny '' and `` Return of the Mac '' on Pop TV .