Jeremy Irons and Kim Cattrall have joined Lajos Koltai's The Treehouse, scripted by Paul Mayersberg from the novel by Eduard von Keyserling.

According to The Hollywood Reporter, Jeremy Irons and Kim Cattrall join the a $10 million budgeted movie project as the leads in a story set in pre-World War I Germany detailing the story of a failed student, his glamorous cousin, her mother and the student's father.

The movie will also star Tom Sturridge.

No production date has been set.