The film was originally titled Ironbark and premiered at the Sundance Film Festival in January of last year.
After a few delays, The Courier is now finally being released in theaters this Friday, March 19.
The movie also stars Rachel Brosnahan, Jessie Buckley, Angus Wright, and Merab Ninidze as Penkovsky, and is directed by Dominic Cooke.
He stars as Greville Wynne in The Courier, which is based on the true story of Wynne, a regular British citizen who was recruited to spy for MI6 during the Cold War.