Grace Park (born March 14, 1974) is an American-born Canadian actress. She gained recognition as Sharon "Boomer" Valerii and Sharon "Athena" Agathon onBattlestar Galactica, as well as Shannon Ng in the Canadian television series teen soap Edgemont. Park currently stars as Officer Kono Kalakaua in the CBS television series Hawaii Five-0, which debuted on September 20, 2010.