Biography
William Thomas Hader Jr. (born June 7, 1978) is an American actor, comedian, writer, and producer. He is the creator, producer, writer, director, and star of the HBO dark comedy series Barry (2018–2023), for which he has been nominated for eight Emmy Awards, winning two.
Hader's initial success was for his eight-year stint (2005–2013) as a cast member on the long-running NBC variety series Saturday Night Live, for which he received four Primetime Emmy Award nominations and a Peabody Award. He became known for his impressions and especially for his work on the Weekend Update segments, in which he played Stefon Meyers, a flamboyant New York tour guide who recommends unusual nightclubs and parties with bizarre characters with unusual tastes. He is also the star and producer of the IFC mockumentary comedy series Documentary Now! (2015–present) which he co-created along with Fred Armisen and Seth Meyers.
Hader has had supporting roles in the films You, Me and Dupree (2006), Hot Rod (2007), Superbad (2007), Forgetting Sarah Marshall (2008), Night at the Museum: Battle of the Smithsonian, (2009), Paul (2011), This Is 40 (2012), and 22 Jump Street (2014), as well as leading roles in The Skeleton Twins (2014), Trainwreck (2015), and as an adult Richie Tozier in It Chapter Two (2019).
He also is known for his extensive work in voice-over, portraying both leading and supporting characters in films such as the Cloudy with a Chance of Meatballs franchise (2009–2013), Turbo (2013), Inside Out (2015), The BFG (2016), Power Rangers (2017), Toy Story 4 (2019) and Lightyear (2022).
Filmography
Cast Credits

The Cat in the Hat
Character: The Cat in the Hat (voice)
MOVIE • 2026

Good Hang with Amy Poehler
Character:
TV • 2025

Everybody's Live with John Mulaney
Character: Self - Actor and Comedian
TV • 2025

Ladies & Gentlemen... 50 Years of SNL Music
Character: Self
MOVIE • 2025

SNL50: Beyond Saturday Night
Character: Self
TV • 2025

IF
Character: Banana (voice)
MOVIE • 2024

John Mulaney Presents: Everybody's in L.A.
Character: Self
TV • 2024

Hendrie
Character: Self
MOVIE • 2024

Carol Burnett: 90 Years of Laughter + Love
Character: Self - Guest
MOVIE • 2023

Beau Is Afraid
Character: UPS Guy
MOVIE • 2023

Lightyear
Character: Featheringhamstan (voice)
MOVIE • 2022

Toast of Tinseltown
Character: Dwight Difference
TV • 2022

The Addams Family 2
Character: Cyrus Strange (voice)
MOVIE • 2021

Belushi
Character: John Belushi (voice)
MOVIE • 2020

Adventure Time: Distant Lands
Character: Bufo (voice)
TV • 2020

Celebrity Escape Room
Character: Self
MOVIE • 2020

Beastie Boys Story
Character: "Crazy Shit" Voice
MOVIE • 2020

The Summers of It - Chapter Two: It Ends
Character: Self
MOVIE • 2019

Noelle
Character: Nick Kringle
MOVIE • 2019

At the Video Store
Character: Self
MOVIE • 2019
Crew
Crew Credits

The Cat in the Hat
Role: Executive Producer
MOVIE • 2026

Weapons
Role: Thanks
MOVIE • 2025

Beau Is Afraid
Role: Thanks
MOVIE • 2023

Barry
Role: Writer
TV • 2018

Barry
Role: Executive Producer
TV • 2018

Barry
Role: Director
TV • 2018

Barry
Role: Creator
TV • 2018

Documentary Now!
Role: Executive Producer
TV • 2015

Documentary Now!
Role: Writer
TV • 2015

Documentary Now!
Role: Creator
TV • 2015

Inside Out
Role: Additional Dialogue
MOVIE • 2015

The To Do List
Role: Executive Producer
MOVIE • 2013
The Line
Role: Writer
TV • 2008

Empire of Dreams: The Story of the Star Wars Trilogy
Role: Production Assistant
MOVIE • 2004

Sounds Good to Me: Remastering 'The Sting'
Role: Co-Writer
MOVIE • 2004

Spider-Man
Role: Production Assistant
MOVIE • 2002

The Scorpion King
Role: Production Assistant
MOVIE • 2002

Collateral Damage
Role: Production Assistant
MOVIE • 2002

Collateral Damage
Role: Actor's Assistant
MOVIE • 2002

James Dean
Role: Production Assistant
MOVIE • 2001