Slackers

Sam Schechter

Despicable Me

Vector (voice)

Knocked Up

Jason

SLC Punk

Mike

11:14

Leon

Forgetting Sarah Marshall

Peter Bretter

Dead Man on Campus

Kyle

The Good Humor Man

Smelly Bob

I Love You, Man

Sydney Fife

Gulliver's Travels

Horatio

Bad Teacher

Russell Gettis

LolliLove

Jason Segel

Jeff, Who Lives at Home

Jeff Thompkins

The Five-Year Engagement

Tom Solomon

This Is 40

Jason

Sex Tape

Jay

The End of the Tour

David Foster Wallace

Mooned

Vector (voice)

The Muppets

Gary

North Hollywood

Gary Huffman

This Is the End

Jason Segel (uncredited)

Jason Segel & Paul Rudd Meet Rush

Sydney Fife

The Discovery

Will Harbor

Despicable Me 4

Vector (voice) (uncredited)

Bye Bye Benjamin

Theodore Everest

Can't Hardly Wait

Matt

Come Sunday

Henry

Freaks and Geeks: The Documentary

Self

Our Friend

Dane Faucheux

Friends with Benefits

Brice (uncredited)

Rush: R40 Live

Himself

Tenacious D in The Pick of Destiny

Frat Boy #1 (uncredited)

Certainly Not a Fairytale

Leo

The Sky Is Everywhere

Big

One World: Together at Home

Self

Windfall

Nobody

Scratching the Surface: A Hasty Examination of the Making of The Muppets

CSI: Crime Scene Investigation

Neil Jansen

How I Met Your Mother

Marshall Eriksen

The Daily Show

Self

Alias

Sam Hauser

Freaks and Geeks

Nick Andopolis

The Tonight Show with Jay Leno

Undeclared

Eric

Late Night with Conan O'Brien

Self - Guest

Saturday Night Live

Self - Host

Family Guy

Marshall Eriksen (voice)

The Late Late Show with Craig Ferguson

Self

Shrinking

Jimmy

Late Night with Seth Meyers

Self

Winning Time: The Rise of the Lakers Dynasty

Paul Westhead

Winning Time: The Rise of the Lakers Dynasty

Self

Home Movie: The Princess Bride

Fezzik

The Ellen DeGeneres Show

Self

Variety Studio: Actors on Actors

Self

The Tonight Show Starring Jimmy Fallon

Dispatches from Elsewhere

Peter

The View

Self

Entertainment Tonight

Self

Saturday Night Live

Prostitute

The Late Show with Stephen Colbert

The Late Show with Stephen Colbert

Self

Late Night with Jimmy Fallon

Self

Conan

Self

MTV Movie & TV Awards

Self

The Megan Mullally Show

Self - Guest