RJ Cyler Cast In 'Sierra Burgess Is A Loser'; Annika Marks Boards 'The Last Champion'

Me And Earl and The Dying Girl actor RJ Cyler has joined Ben Hardy as a topliner in the modern retelling of the Cyrano de Bergerac film, Sierra Burgess Is A Loser. Ian Samuels is directing from a screenplay by Lindsey Beer. The pic centers on a case of mistaken identity that results in unexpected romance when the most popular girl in high school and the biggest loser must come together to win over their crushes. Cyler will play Dan, Sierra's best friend but can't work up…