Sigurjón Birgir Sigurðsson, known as Sjón, is an Icelandic poet, novelist, lyricist, and screenwriter. Sjón frequently collaborates with the singer Björk and has performed with The Sugarcubes as Johnny Triumph. From Wikipedia
Backed by Focus Features, the medieval horror film co-written with Sjón stresses 13th-century authenticity ahead of its December 25, 2026 North American debut.
