Keri Russell thinks Andy Serkis is an "unbelievable" actor.
'The Americans' star, who takes on the role of Ellie in 'Dawn of the Planet of the Apes', claims her co-star - who provides the voice for ape leader Caesar in the film as well as that of Golum in 'The Hobbit' and 'The Lord of the Rings' movies - isn't given enough recognition in the film industry.
She told The Hollywood Reporter: "Andy is just so good. That was really the treat of doing this movie. I really hope people start paying attention to him. He's unbelievable."
Serkis' character leads a nation of genetically evolved apes as they are threatened by a band of human survivors of a devastating virus which was unleashed a decade earlier, and the film's screenwriters claim it was his talent that allowed Caesar to speak.
Rick Jaff and Amanda Silver explained: "The decision to have him speak and have words - it was really Andy, [We] credit him with figuring out Caesar's voice."
'Dawn of the Planet of the Apes' is scheduled for release in the UK on July 17 2014.
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