Zaw One was born Thaung Dan on 17 July 1945, in Mandalay, son of Mya Mya and "Taingchit" Thakin Thein Pe.
He attended Taingchit High School in Mandalay.
He then studied acting with Shumawa U Kyaw, a famous director.
His first role was in Chwe Ka Lay So So, directed by Shumawa U Kyaw.
He was survived by his wife Thant Shwe Zin Win, four children, and nine grandchildren.