Eco-thriller lines up two more.

Patricia Clarkson (‘Friends with Benefits,’ ‘Easy A’) and Toby Kebbell (‘Clash of the Titans 2,’ ‘War Horse) have joined the cast of eco-terrorist thriller ‘The East.’

The Zal Batmanglij-directed thriller centers on an undercover security agent (Brit Marling) who is tasked with infiltrating The East, a mysterious eco-terrorist group that seeks revenge against unethical corporations. The agent soon finds herself falling for the group’s leader (Alexander Skarsgård).

Variety reports that Clarkson will play Marling’s boss, while THR adds that Kebbell will play a doctor who was treated with a tainted drug that caused him to have Parkinson’s-like symptoms. Ellen Page will also co-star. Production kicks off next month in Nashville.