Is of Te Arawa, Ngati Kahungunu Maori and Irish descent from his father' side and of Scottish and Spanish blood from his mother's side.
Quit playing professional rugby in order to attend Univeristy where he studied drama and dance.
Manu has three children with socialite Karin Horen.
Attended the Lee Strasberg Theatre Institute on a scholarship.
His family immigrated to Australia when he was just a few months old.