We don't have a biography for Neil Patrick Harris yet. Hang in there, or go ahead and contribute one.
Appearances
The Late Show with David Letterman
Guest cast, played by Neil Patrick Harris
- Episode 1994-01-05: Rosie O'Donnell, Lou Reed, Neil Patrick Harris (Jan 5, 1994)
- Episode 2011-06-09: Neil Patrick Harris, Mike Birbiglia, Neil Peart (Jun 9, 2011)
- Episode 2015-03-30: Neil Patrick Harris, Charlie Cox, the Suffers (Mar 30, 2015)