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The Official Neil Patrick Harris Aging Timeline

Not every actor who starts working at the young age of 16 continues to have an awesome career at the age of 38. Not true for NPH.

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Doogie Howser M.D. - The Early Years - 1989

NPH's first big gig was a starring roll on the comedy Doogie Howser M.D., where he played the titular character, a 16-year-old boy genius who becomes a medical doctor.


Doctor Horrible's Sing-Along Blog - 2008

NPH played the headlining role of Dr. Horrible in the cult online hit Doctor Horrible's Sing-Along Blog. The video series was made by Firefly creator Joss Whedon and also starred Nathan Fillion and Felicia Day.

How I Met Your Mother - 2005-Present

NPH's has been a regular fixture on the CBS comedy How I Met Your Mother as the womanizing playboy Barney Stintson. Anyone you ask will tell you that his character is legend... wait for it... ary.