David Thewlis, best know to Potter fans as Remus Lupin, has joined the cast of Red 2.  The film is a sequel to the 2010 film, Red, starring Bruce Willis, Helen Mirren and John Malkovich, who are all back for this film.

According to The Hollywood Reporter, David will be playing The Frog, an “information dealer who got his name by poisoning the water supply at the Kremlin using a poisonous Amazonian frog.”

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