Aidan Turner (born 19 June 1983) is an Irish actor. He played the roles of Ross Poldark in the 2015–2019 BBC adaptation of The Poldark Novels by Winston Graham, Dante Gabriel Rossetti in Desperate Romantics, Ruairí McGowan in The Clinic, and John Mitchell in the supernatural drama series Being Human. He played Kíli in The Hobbit film series.