Spanish screenwriter Mateo Gil’s English-language debut will receive its market premiere in Cannes and screened at Tribeca last week.

The film tells of the last days of Butch Cassidy and stars Sam Shepard, Stephen Rea, Eduardo Noriega and Nicolaj Coster-Waldau.

Miguel Barros wrote the screenplay and Ibon Cormenzana and Andrés Santana produced.

Magnolia svp Tom Quinn negotiated the deal with Marina Fuentes of 6 Sales and the distributor plans to release Blackthorn in theatres later this year.