Per Nils Myrberg (born 11 July 1933 – 28 December 2023) is a Swedish singer and actor. Born in Stockholm, Myrberg has appeared in 45 films since 1957. He is father to Olle and Fredrik Myrberg.
A couple travel to Sweden to visit their friend's rural hometown for its fabled midsummer festival, but what begins as an idyllic retreat quickly devolves into an increasingly violent and bizarre competition at the hands of a pagan cult.