Kamaras played as a right back and a defensive midfielder for PAO for 12 years. He won 6 league titles with the "Greens" and was one of the key men that took PAO to the 1971 European Cup Final v. Ajax Amsterdam. He was the scorer of the 3rd vital goal which was to take PAO past Red Star Belgrade into the final. He also scored PAO'S lone goal in Belgrade that gave the team hope for the return leg after losing 4–1.