Neil Patrick Harris

as General Wilhelm Reuss

as Self - Special Guest

as Patrick

as The Boss

as Self - Guest(1 ep)

as Self - Host(6 eps)

as Lowell / The Tattoo Collector(1 ep)

as The Toymaker (archive footage)

as Self - Moderator

as The Toymaker (archive footage)

as Narrator (voice)

as Self - Judge(10 eps)

as Self

as Michael Lawson(8 eps)

as Richard Fink

as Barney Stinson(2 eps)

as The Analyst

as Adult Jake Doyle / Narrator

as J.C. Leyendecker (voice)

as Henry Coltrane(1 ep)

as Self

as Westley(1 ep)

as Self(1 ep)

as Self - Narrator (voice)(5 eps)

as Narrator

as Self - Host

as Self(1 ep)

as Self

as Self

as Self

as Self - Guest(2 eps)

as Self

as Self

as Host(10 eps)

as Jeff Lonowski

as Neil Patrick Harris(1 ep)

as Self(1 ep)

as Self - Reader: Declaration of Independence

as Neville LaRoy(1 ep)

as Count Olaf(25 eps)

as Host / Himself

as Self - Actor

as Himself(8 eps)

as Self(1 ep)

as Self(1 ep)

as Self(1 ep)

as Desi Collings

as Foy

as Self(2 eps)

as Self - Guest(1 ep)

as Self - Guest(1 ep)

as Self(1 ep)

as Steve the Monkey (voice)

as Steve (voice)

as Host

as Self(1 ep)

as Steve (voice)

as Self(1 ep)

as Patrick Winslow

as Himself

as Narrator

as Neil Patrick Harris(7 eps)

as The Magic Mirror

as Two-Face / Black Manta (voice)

as Celebrity Dance-Off Host

as Self(1 ep)

as Dr. Blowhole (voice)

as Self(1 ep)

as Neil Patrick Harris

as Neil Patrick Harris

as Himself - Host(3 eps)

as Chester Creb(2 eps)

as Patrick Winslow

as Self(1 ep)

as Robert

as Will Fratalli

as Self(2 eps)

as Self(3 eps)

as Self(1 ep)

as Jeff

as Lou (voice)

as Nightwing (voice)

as Narrator

as Prince Gumball (voice)(3 eps)

as Dan

as Self

as The Shoe Fairy (uncredited) (archive footage)

as Dr. Philip O'Hanlon (voice)

as Self

as 1st Lt. David Hettema / Sgt. William Manchester

as Steve (voice)

as Self - Guest(5 eps)

as Himself - Guest Judge(1 ep)

as Bryan Ryan(1 ep)

as Self(1 ep)

as Self - Guest Judge(1 ep)

as A Very Smart Fellow

as Dr. Blowhole (voice)(3 eps)

as Music Meister (voice)(1 ep)

as Dr. Horrible(3 eps)

as Neil Patrick Harris

as Barry Allen / The Flash (voice)

as Self

as Self(1 ep)

as (voice)(1 ep)

as Philip (voice)(2 eps)

as Self - Guest(2 eps)

as Self (archive footage)(1 ep)

as Nathan Andrews

as Self - Guest(1 ep)

as Screaming Reaver (uncredited)

as Barney Stinson(208 eps)

as Moyo (voice)

as The Comic Shop Owner (voice)

as Executive / Harvey Dent / Two-Face / Three-Face / Four-Face (voice)(1 ep)

as Ethan Burdick(1 ep)

as Self(7 eps)

as Self - Guest(1 ep)

as Neil Patrick Harris

as The Balladeer / Lee Harvey Oswald

as Self(4 eps)

as Peter Parker / Spider-Man (voice)(13 eps)

as Self(1 ep)

as Self(2 eps)

as Self - Guest(1 ep)

as Peter Corman(1 ep)

as Lance

as Himself

as Self

as Benjamin

as Ray Thompson (voice)(2 eps)

as Tobias

as Travis Cleveland

as John Tagman(1 ep)

as Moyo (voice)(1 ep)

as Jed (voice)

as Joe Baxter(1 ep)

as Replay / Johnny Morrow (voice)(1 ep)

as Self - Celebrity Guest(1 ep)

as David

as Self(1 ep)

as Henry McNeeley(22 eps)

as The Dauphin(2 eps)

as Barney Stinson (voice)(2 eps)

as Will Martin

as Bill(1 ep)

as Roger Martin

as Colonel Carl Jenkins

as Self - Guest(1 ep)

as Self(3 eps)

as Self(3 eps)

as William Coit

as Edward Broder

as Jimmy Burden

as Howie Morrison(1 ep)

as Paul Keller

as Arnold Mosk

as Jonas(1 ep)

as Jim Stolpa

as Brian Hannigan

as Self - Guest(3 eps)

as Self - Guest(2 eps)

as Self - Top Ten Presenter(1 ep)

as Self

as Alan Schack(1 ep)

as Self

as Self

as Max (voice)(13 eps)

as Steve Thompson

as Self

as Todd Andrews(1 ep)

as Doogie Howser

as Neil Patrick Harris (voice)(1 ep)

as Will Tweedy

as Doogie Howser(97 eps)

as Mike Hammond(1 ep)

as Buder(1 ep)

as Lonnie Tibbettes

as Billy Johnson

as Danny Harland

as David Hart

as Self - Guest(3 eps)

as Self(1 ep)

as Tommy Remsen(1 ep)

as Self(1 ep)

as Self(3 eps)

as Self - Host(1 ep)

as Self - Host(4 eps)

as Host(1 ep)

as Lonnie(1 ep)