Rooney Mara and Ben Mendelsohn will star in the Jean Doumanian Productions drama.
Production is set to commence in summer 2015. Benedict Andrews makes his feature directorial debut on the story of two people at different points in their life who reunite 15 years after their affair.
Blackbird is being adapted by David Harrower from his Olivier Award-winning play of the same name. Jean Doumanian and Patrick Daly produce.