Director

Self - Host (6 episodes)

Lowell / The Tattoo Collector (1 episode)

The Toymaker (archive footage)

Self (2 episodes)

Self (1 episode)

Self - Judge (10 episodes)

Executive Producer (10 episodes)

Creator

Barney Stinson (2 episodes)

Self

Self (1 episode)

Michael Lawson (8 episodes)

Executive Producer (8 episodes)

Self (1 episode)

Richard Fink

The Analyst

Adult Jake Doyle / Narrator

Self (1 episode)

Henry Coltrane (1 episode)

Self (1 episode)

(1 episode)

Westley (1 episode)

Self (1 episode)

Self - Narrator (voice) (5 episodes)

Narrator

Self - Guest (1 episode)

Self (2 episodes)

Host (10 episodes)

Jeff Lonowski

Self (1 episode)

Self (1 episode)

Neville LaRoy (1 episode)

Count Olaf (25 episodes)

Self (1 episode)

Host / Himself

Self (1 episode)

Self (1 episode)

Himself (8 episodes)

Host (1 episode)

Chester Creb (2 episodes)

Self (2 episodes)

Desi Collings

Foy

Self - Guest Judge (1 episode)

Self (1 episode)

Steve (voice)

Steve the Monkey (voice)

Self (1 episode)

Steve (voice)

Patrick Winslow

Director (1 episode)

Neil Patrick Harris (7 episodes)

The Magic Mirror

Two-Face / Black Manta (voice)

Self (1 episode)

(1 episode)

Celebrity Dance-Off Host

Neil Patrick Harris

Neil Patrick Harris

Creator

Himself - Host (3 episodes)

Prince Gumball (3 episodes)

Patrick Winslow

Self (1 episode)

Self (2 episodes)

Robert

(1 episode)

Will Fratalli

Jeff

Lou (voice)

Nightwing (voice)

Self (1 episode)

Bryan Ryan (1 episode)

Self - Guest (5 episodes)

Dan

Dr. Blowhole (voice) (3 episodes)

Dr. Philip O'Hanlon (voice)

Music Meister (voice) (1 episode)

Steve (voice)

Self (3 episodes)

(1 episode)

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

Himself - Guest Judge (1 episode)

Self - Host (4 episodes)

Producer (3 episodes)

Self (1 episode)

Self - Host (1 episode)

Self (7 episodes)

(1 episode)

Dr. Horrible (3 episodes)

(1 episode)

Self (1 episode)

Neil Patrick Harris

Barry Allen / The Flash (voice)

(2 episodes)

Barney Stinson (voice) (2 episodes)

Self - Guest (3 episodes)

Self (1 episode)

Self - Guest (2 episodes)

(voice) (1 episode)

Philip (voice) (2 episodes)

Self (1 episode)

Self - Celebrity Guest (1 episode)

Self - Guest (3 episodes)

Self - Guest (1 episode)

Self (2 episodes)

Self (3 episodes)

Nathan Andrews

Self - Guest (1 episode)

Screaming Reaver (uncredited)

Barney Stinson (208 episodes)

Director (1 episode)

The Comic Shop Owner (voice)

(1 episode)

Ethan Burdick (1 episode)

John Tagman (1 episode)

Neil Patrick Harris

(10 episodes)

Peter Parker / Spider-Man (voice) (13 episodes)

Peter Corman (1 episode)

Lance

Ray Thompson (voice) (2 episodes)

Benjamin

Jonas (1 episode)

Joe Baxter (1 episode)

Tobias

Travis Cleveland

Moyo (voice) (1 episode)

Jed (voice)

(1 episode)

Replay / Johnny Morrow (voice) (1 episode)

Bill (1 episode)

David

Henry McNeeley (22 episodes)

The Dauphin (2 episodes)

Will Martin

Roger Martin

Colonel Carl Jenkins

(1 episode)

Howie Morrison (1 episode)

William Coit

Edward Broder

Jimmy Burden

Paul Keller

Arnold Mosk

Jim Stolpa

Brian Hannigan

Tommy Remsen (1 episode)

Mike Hammond (1 episode)

Self

Todd Andrews (1 episode)

Max (voice) (13 episodes)

(1 episode)

(1 episode)

Steve Thompson

Neil Patrick Harris (voice) (1 episode)

Will Tweedy

Doogie Howser (97 episodes)

Buder (1 episode)

Lonnie Tibbettes

Lonnie (1 episode)

Billy Johnson

Danny Harland

David Hart