Alvarez will direct from his script written with Rodo Sayagues.
Production kicks off in Budapest on March 9.
Renaux plays Malyen on Netflixs fantasy seriesShadow and Bone, which returns for its second season on March 16.
(L-R) David Jonsson, Archie Renaux, Spike Fearn and Aileen WuMichael Buckner/Getty/Will Nguyen
Hes otherwise best known for turns in films includingThe Greatest Beer Run Ever,Catherine Called Birdy,MorbiusandVoyagers.
Fearn can be seen in Charlotte Wells hugely popular debut featureAftersun, as well asTheBatmanand other projects.
TodaysAliencastings were first reported by The Hollywood Reporter.
