Question: who plays lady talisa in game of thrones?
Answer: Oona Castilla Chaplin, Oona Chaplin

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 .