These Celebs Guest-Starred On Television Shows Before Their Big Break

George Clooney in "Roseanne"

George Clooney had a memorable role as Jack and Roseanne's original boss, Booker Brooks. He worked at Wellman Plastics and started dating Jackie, but the relationship didn't last very long.

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The More You Know

  • Denzel Washington's finger falls out of place from time to time.
  • Miley Cyrus first tried out for Hannah Montana at the age of 11. She was denied due to her age.
  • Before she was a megastar, Madonna worked at Dunkin Donuts. She got fired for squirting jelly on a customer.
  • Tom Hanks had an asteroid named after him which was called “12818 tomhanks”.
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