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TV and Movie Replacement Actors

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April 3, 2011 - Jason Kempin/Getty Images North America more pics like this »
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15. Michael Gambon for the 'Harry Potter' Films

When revered Irish screen legend Richard Harris died in 2002, he left a vacancy in the Harry Potter films. Fortunately Michael Gambon was available to carry on the part of Albus Dumbledore in all the Potter films starting with the third.