Grace Park (born March 14, 1974) is a Canadian actress who played Cylon model Number Eight, especially the significant copies Sharon "Boomer" Valerii and Sharon "Athena" Agathon on Battlestar Galactica, as well as Shannon Ng in the Canadian television series teen soap Edgemont. Park starred as Officer Kono Kalakaua in the CBS television series Hawaii Five-0, from 2010 until 2017. As of January 2019, she appears in the television series A Million Little Things.

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