Timothy Spall
From Harry Potter Wiki
Timothy Spall is the actor who plays Peter Pettigrew. He first portrayed him Harry Potter and the Prisoner of Azkaban, and reprised the role in Harry Potter and the Goblet of Fire and a brief appearances in Harry Potter and the Order of the Phoenix.
In a recent interview with Moviehole.com, Spall confirmed he will be returning for the last two installments of the Harry Potter series, Harry Potter and the Half-Blood Prince and Harry Potter and the Deathly Hallows.[1]
