David Hyde Pierce

Mouse

— Mr. Murdaugh

This Ordinary Thing

— Self (voice)

Hold

L'exorcisme

— Father Conor

Visiting Birdie

Facing the Wind

Julia

— Paul Child

Stars in the House

— Self

Sky Blossom

The Lavender Scare

— Dr. Franklin E. Kameny (voice)

Wet Hot American Summer : 10 Years Later

— Henry Neumann

When We Rise

— Dr. Jones

Julie's Greenroom

Must See TV: An All Star Tribute to James Burrows

— Self

Wet Hot American Summer: First Day of Camp

— Henry Neumann

Hurricane of Fun: The Making of Wet Hot

— Self

Late Night with Seth Meyers

— Self

Vanya and Sonia and Masha and Spike

— Vanya

The Perfect Host

— Warwick Wilson

Sondheim! The Birthday Concert

— Self - Host

The Good Wife

— Frank Prady

Stingray Sam

— Narrator

Forever Plaid

— The Narrator

Monty Python Conquers America

— Self

The Graham Norton Show

— Self

The Megan Mullally Show

— Self - Guest

The Amazing Screw-On Head

— Emperor Zombie (voice)

World's Greatest Stand Up: Volume One

— self

Celebrity Mix

— Self (archive footage)

The Tony Danza Show

— Self

The Celebrity Apprentice

— Self

Hellboy

— Abe Sapien (voice) (uncredited)

Frasier: Analyzing the Laughter

— Niles Crane

Bye bye love

— Peter MacMannus

Gary the Rat

The Shakespeare Sessions

Behind the Couch: The Making of 'Frasier'

— Self

La Planète au Trésor : Un nouvel univers

— Doctor Doppler (voice)

Full Frontal

— Carl

Laud Weiner

— Laud Weiner

Osmosis Jones

— Drix (voice)

Wet Hot American Summer

— Henry

Chain of Fools

— Mr. Kerner

On the Edge

— Barney (segment "Happy Birthday")

Titus

— Jerry October

Isn't She Great

— Michael Hastings

L'Ours Mandarine

— Bird (voice)

The Late Late Show with Craig Kilborn

— Self - Guest

The Mating Habits of the Earthbound Human

— The Narrator

Jackie's Back!

— Perry (The Deaf Rehearsal Pianist)

The Frasier Story

— Self

Hercule

— Daedalus (voice)

1001 Pattes

— Slim (voice)

La Vue

— Self

Les canards de l'exploit

— Baron Von Lichtenstamp (voice)

Star Trek : 30 Years and Beyond

— Niles Crane

Au-delà du réel : L'aventure continue

— Dr. Jack Henson

Caroline in the City

— Jimmy Callahan

Happily Ever After: Fairy Tales for Every Child

— Puss (voice)

Nixon

— John Dean

The Adventures of Hyperman

The World of James Bond

— Self

Wolf

— Roy McCallister

Frasier

— Niles Crane

Late Show with David Letterman

— Self - Guest

Late Night with Conan O'Brien

— Self - Guest

GMTV

— Self

Les Valeurs de la famille Addams

— Delivery Room Doctor

Nuits Blanches à Seattle

— Dennis Reed

The Tonight Show with Jay Leno

— Self

The Powers That Be

— Theodore Van Horne

Kino's Storytime

Fisher King : Le Roi pêcheur

— Lou Rosen

Le Petit Homme

— Garth Emmerick

Dream On

— Jerry Dorfer

Les Simpson

— Felix (voice)

Embrasse-moi vampire

— Theater Guy

LIVE with Kelly and Mark

— Self - Guest

Izzy et Sam

— Mark

Knightwatch

— Gibson

Les feux de la nuit

— Bartender at Fashion Show

Rocket Gibraltar

— Monsieur Henri

The Appointments of Dennis Jennings

— Businessman

Spenser: For Hire

— O'Neill

Les Zéros de conduite

— Immigration Officer

Saturday Night Live

— Self - Host

Tony Awards

— Self - Presenter

Today

— Self

The Emmy Awards

— Self

Golden Globe Awards

— Self - Nominee

Vivien & The Florist

— John Gielgud