- Power Ballad
2026 Rick
- Avengers: Doomsday
2026 Scott Lang / Ant-Man
- Rain Reign
2026
- A Statement
2026 Thomas Jorling
- Goodnight Lamby
2026 Papa (voice)
- Gail Daughtry and the Celebrity Sex Pass
2026 Paul Rudd (uncredited)
- In Memoriam
2026 Himself
- Death of a Unicorn
2025 Executive Producer
- Friendship
2025 Executive Producer
- Anaconda
2025 Ronald Griffin Jr.
- Ghostbusters: Frozen Empire
2024 Gary Grooberson
- Teenage Mutant Ninja Turtles: Mutant Mayhem
2023 Mondo Gecko (voice)
- Ant-Man and the Wasp: Quantumania
2023 Additional Writing
- Chip 'n Dale: Rescue Rangers
2022 Paul Rudd
- The Bob's Burgers Movie
2022 Jericho (voice)
- Rush: Cinema Strangiato - R40+ Director's Cut
2021 Himself
- Ghostbusters: Afterlife
2021 Grooberson
- A Parks and Recreation Special
2020 Bobby Newport
- Between Two Ferns: The Movie
2019 Paul Rudd
- Avengers: Endgame
2019 Scott Lang / Ant-Man
- My Beautiful Stutter
2019 Producer
- Ant-Man and the Wasp
2018 Screenplay
- Mute
2018 Cactus Bill
- Ideal Home
2018 Paul
- A Futile and Stupid Gesture
2018 "The Nobody" (uncredited)
- The Catcher Was a Spy
2018 Moe Berg
- Fun Mom Dinner
2017 Executive Producer
- Sausage Party
2016 Darren (voice)
- Captain America: Civil War
2016 Scott Lang / Ant-Man
- The Fundamentals of Caring
2016 Ben Benjamin
- Nerdland
2016 John (voice)
- Anyone Can Quantum
2016 Himself
- Quantum Is Calling
2016 Himself
- Rush: Time Stand Still
2016 Narrator
- Ant-Man
2015 Screenplay
- The Little Prince
2015 Mr. Prince (voice)
- Rush: R40 Live
2015 Himself
- They Came Together
2014 Joel
- This Is the End
2013 Paul Rudd
- Anchorman 2: The Legend Continues
2013 Brian Fantana
- Prince Avalanche
2013 Alvin
- Admission
2013 John Pressman
- All Is Bright
2013 Rene Upiter
- Wanderlust
2012 Producer
- The Perks of Being a Wallflower
2012 Mr. Anderson
- This Is 40
2012 Pete
- Our Idiot Brother
2011 Nedrick 'Ned' Rochlin
- Jason Segel & Paul Rudd Meet Rush
2011 Peter Klaven
- Picture Perfect
2011 Photographer
- How Do You Know
2010 George
- Dinner for Schmucks
2010 Tim Conrad
- Casino Jack and the United States of Money
2010 Michael Scanlon (voice)
- Monsters vs Aliens
2009 Derek Dietl (voice)
- I Love You, Man
2009 Peter Klaven
- Year One
2009 Abel (uncredited)
- Sesame Street: Being Green
2009 Mr. Earth
- SNL Presents: A Very Gilly Christmas
2009 (archive footage)
- Forgetting Sarah Marshall
2008 Chuck
- Over Her Dead Body
2008 Henry Mills
- Role Models
2008 Screenplay
- Knocked Up
2007 Pete
- Walk Hard: The Dewey Cox Story
2007 John Lennon (uncredited)
- The Ten
2007 Producer
- I Could Never Be Your Woman
2007 Adam
- Reno 911!: Miami
2007 Ethan the Drug Lord
- Diggers
2007 Hunt
- The Oh in Ohio
2006 Jack Chase
- The Ex
2006 Leon
- Night at the Museum
2006 Don
- Tennis Anyone?
2006 Lance Rockwood
- The Armenian Genocide
2006 U.S. Consul Oscar Heizer (voice)
- The 40 Year-Old Virgin
2005 David
- The Baxter
2005 Dan Abbott
- Anchorman: The Legend of Ron Burgundy
2004 Brian Fantana
- Wake Up, Ron Burgundy: The Lost Movie
2004 Brian Fantana
- P.S.
2004 Sammy Silverstein
- The Shape of Things
2003 Adam
- House Hunting
2003 Daniel
- Two Days
2003 Paul Miller
- Stella Shorts 1998-2002
2002 John
- Wet Hot American Summer
2001 Andy
- On the Edge
2001 Kenneth (segment "Reaching Normal")
- The Château
2001 Graham Granville
- Bash: Latter-Day Plays
2001 Tim
- The Great Gatsby
2000 Nick Carraway
- Gen-Y Cops
2000 Ian Curtis
- The Cider House Rules
1999 Lt. Wally Worthington
- 200 Cigarettes
1999 Kevin
- Overnight Delivery
1998 Wyatt Trips
- The Object of My Affection
1998 George Hanson
- Twelfth Night
1998 Orsino Duc d'Illyria
- The Size of Watermelons
1997 Alex
- The Locusts
1997 Earl
- Romeo + Juliet
1996 Dave Paris
- Halloween: The Curse of Michael Myers
1995 Tommy Doyle
- Clueless
1995 Josh
- Runaway Daughters
1994 Jimmy Rusoff
- Moment of Truth: Stalking Back
1993 Scott
- Jamie's Secret
1992
