Sean Connery turned down the role of Gandalf in Lord of the Rings because he didn't understand the script.
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Shirley Henderson, the girl who played Moaning Myrtle (the ghost in the bathroom) was actually 37 years old when she played the character in the Harry Potter series.
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While filming a guest appearance on Star Trek TNG, Stephen Hawking was taken on a tour of the USS Enterprise set. When he saw the Warp Core, he paused, and said “I’m working on that.”
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For each word he said in Terminator 2, Arnold Schwarzenegger was paid $21,429.
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Hugh Jackman walked around Comic Con wearing his full Wolverine costume and nobody noticed.
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