One of the most respected Swedish directors of the modern era. He was known for award-winning films like Who Saw Him Die? and The Emigrants.
He worked as an elementary school teacher.
His 1991 film Il Capitano: A Swedish Requiem was controversial because it was based on the true story of the murder of a Swedish family.
His daughter was actress Johanna Troell.
He frequently cast Max Von Sydow in his films, one of which was The Emigrants.