Neil Patrick Harris won over the hearts of Americans in 1989 with his starring role on "Doogie Howser, M.D." and is still charming audiences as Barney Stinson on "How I Met Your Mother." Take a look at the actor's journey from his first starring role to his latest.
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Neil Patrick Harris landed his first starring role in 1989 as the title character in "Doogie Howser, M.D." where he played a teenage prodigy dealing with a medical profession and adolescence at the same time.
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