Bill Hader has been credited as
t 
Actor 31
| Empress of Serenity | Development | TBA |
| Zach Galifianakis/Bill Hader/Seth Rogen R-Rated Comedy | Development | TBA |
| Henchmen | Announced | TBA |
| Saturday Night | Completed | TBA |
| The Addams Family 2 ... Cyrus | 2021 | |
| Noelle ... Santa's son | 2019 | |
| IT Chapter Two ... Richie Tozier | 2019 | |
| The Angry Birds Movie 2 ... Leonard (voice) | 2019 | |
| The BFG ... Giant | 2016 | |
| Finding Dory ... cameo (voice) | 2016 | |
| Angry Birds ... (voice) | 2016 | |
| Maggie's Plan | 2016 | |
| Trainwreck | 2015 | |
| Inside Out ... Fear (voice) | 2015 | |
| The Skeleton Twins | 2014 | |
| The Disappearance of Eleanor Rigby | 2014 | |
| They Came Together ... Kyle | 2014 | |
| Cloudy with a Chance of Meatballs 2 ... Flint Lockwood (voice) | 2013 | |
| The To-Do List | 2013 | |
| Turbo ... (voice) | 2013 | |
| Men in Black III ... Andy Warhol | 2012 | |
| Hoodwinked Too! Hood vs. Evil | 2011 | |
| Hop | 2011 | |
| Paul | 2011 | |
| Cloudy with a Chance of Meatballs | 2009 | |
| Night at the Museum: Battle of the Smithsonian | 2009 | |
| Adventureland | 2009 | |
| Tropic Thunder | 2008 | |
| Forgetting Sarah Marshall | 2008 | |
| Superbad | 2007 | |
| Hot Rod | 2007 |
Limited credits available; non-exhaustive filmography.
Show Former & Rumored Credits
Show Former & Rumored Credits
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