PICS: Celebrity Career Comebacks
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Neil Patrick Harris
"Doogie Houser, M.D." made him the next big thing and once the show was cancelled, it was almost as if he decided to retire prematurely. After a lengthy hiatus, Neil's cameos in 'Harold and Kumar Go to White Castle' brought him back into the spotlight and helped him in landing a role on the popular sitcom, "How I Met Your Mother."
