The Fisher King

Lou Rosen

Sleepless in Seattle

Dennis Reed

Wet Hot American Summer

Henry

Wolf

Roy McCallister

Down with Love

Peter MacMannus

Nixon

John Dean

Chain of Fools

Mr. Kerner

Little Man Tate

Garth Emmerick

Vampire's Kiss

Theater Guy

Treasure Planet

Doctor Doppler (voice)

Moving Violations

Immigration Officer

A Bug's Life

Slim (voice)

Osmosis Jones

Drix (voice)

Crossing Delancey

Mark

The Tangerine Bear: Home in Time for Christmas!

Bird (voice)

Full Frontal

Carl

The Perfect Host

Warwick Wilson

The Mating Habits of the Earthbound Human

The Narrator

Celebrity Mix

Self (archive footage)

The Appointments of Dennis Jennings

Businessman

Isn't She Great

Michael Hastings

Rocket Gibraltar

Monsieur Henri

Sondheim! The Birthday Concert

Self - Host

Forever Plaid

The Narrator

Laud Weiner

Laud Weiner

The Amazing Screw-On Head

Emperor Zombie (voice)

On The Edge

Barney (segment "Happy Birthday")

Addams Family Values

Delivery Room Doctor

Hurricane of Fun: The Making of Wet Hot

Self

Bright Lights, Big City

Bartender at Fashion Show

Star Trek: 30 Years and Beyond

Niles Crane

Must See TV: An All Star Tribute to James Burrows

Self

Frasier: Analyzing the Laughter

Niles Crane

Hellboy

Abe Sapien (voice) (uncredited)

The Lavender Scare

Dr. Franklin E. Kameny (voice)

The Exorcism

Father Conor

Stingray Sam

Narrator

Monty Python Conquers America

Self

The Shakespeare Sessions

World's Greatest Stand Up: Volume One

self

The World of James Bond

Vanya and Sonia and Masha and Spike

Vanya

Jackie's Back!

Perry (The Deaf Rehearsal Pianist)

Titus

The Simpsons

Cecil Terwilliger (voice)

The Tony Danza Show

Self

Spenser: For Hire

LIVE with Kelly and Mark

Today

Self

The View

Self

Julia

Paul Child/Charles Child

The Tonight Show with Jay Leno

Self

Hercules

Daedalus

Frasier

Niles Crane

The Celebrity Apprentice

Late Night with Conan O'Brien

Self - Guest

The Powers That Be

Theodore Van Horne

Gary the Rat

Addison

The Adventures of Hyperman

The Outer Limits

Dr. Jack Henson

The Late Late Show with Craig Kilborn

Self - Guest

GMTV

Self

The Emmy Awards

Self

Saturday Night Live

Self - Host

The Simpsons

Felix (voice)

Tony Awards

Self - Presenter

Late Night with Seth Meyers

Self

The Graham Norton Show

Self

The Good Wife

Frank Prady

Wet Hot American Summer: Ten Years Later

Henry Neumann

Happily Ever After: Fairy Tales for Every Child

Puss (voice)

Knightwatch

Gibson

Stars in the House

Self

Dream On

Jerry Dorfer

Hercules

Daedalus (voice)

Caroline in the City

Dr. Niles Crane

Caroline in the City

Jimmy Callahan

Wet Hot American Summer: First Day of Camp

Henry Neumann

The Megan Mullally Show

Self - Guest