<Li> Charlie Chaplin (maternal grandfather) </Li> <Li> Oona O'Neill (maternal grandmother) </Li> <P> Oona Castilla Chaplin (ˈuna kasˈtija ˈt͡ʃaplin) (born 4 June 1986), known professionally as Oona Chaplin, is a Spanish actress . Her roles include Talisa Maegyr in the HBO TV series Game of Thrones, The Crimson Field and the series Taboo . </P> <P> A member of the Chaplin family, she is the daughter of actress Geraldine Chaplin, the granddaughter of acclaimed English filmmaker and actor Charlie Chaplin, and the great - granddaughter of American playwright Eugene O'Neill . She was named after her maternal grandmother Oona O'Neill, Charlie's wife . </P>

Who played robb stark's wife in game of thrones