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Acting
June 7, 1978
Tulsa, Oklahoma, USA
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).

The Cat in the Hat (voice)
2026

Self
2025

Self - Actor and Comedian
2025

Self - SNL Cast Member 2005 - 2013
2025

Self
2025

Banana (voice)
2024

Self
2024

Self
2024

Self - Guest
2023

UPS Guy
2023

as The Cat in the Hat (voice)

as Self

as Self - Actor and Comedian

as Self - SNL Cast Member 2005 - 2013

as Self

as Banana (voice)

as Self

as Self

as Self - Guest

as UPS Guy

as Featheringhamstan (voice)

as Dwight Difference

as Cyrus Strange (voice)

as Bufo (voice)

as Self

as John Belushi (voice)

as "Crazy Shit" Voice (voice)

as Self

as Nick Kringle

as Self

as Richie Tozier

as urGoh (The Wanderer) (voice)

as Leonard (voice)

as Self - Panelist

as Axel the Carnie (voice)

as Self - Illustrious Guest

as J.P. Spamley (voice) (uncredited)

as Self

as Self

as Self

as Self

as Self

as Barry Berkman

as Self

as Self

as Self

as Self - Voice of Alpha 5 (2017)

as Self

as Alpha 5 (voice)

as Firewater / Tequila / El Guaco (voice)

as Self

as Husband Fish (Stan) (voice)

as Self - Panelist

as Zippy

as Bloodbottler

as Leonard (voice)

as Tony

as BB-8 (voice)

as Fear / Jordan's Joy (voice)

as Fear (voice)

as Various Characters

as Self

as Dr. Aaron Conners

as Fear (voice)

as Doctor Turnstall

as Narrator

as Additional Voices (voice)

as Adolf Hitler

as Self

as Stuart

as Stuart

as Kyle

as Culinary School Villain (uncredited)

as Milo Dean

as Stuart

as Rags

as Pipey (voice)

as Self

as Self - Guest

as Self

as Flint Lockwood (voice)

as Flint Lockwood (voice)

as Chat Room Friend #2 (voice)

as (uncredited)

as Captain Bill the Astronaut

as Flint Lockwood (voice)

as Captain Seth Dozerman

as Self

as Self

as Dr. Malocchio (voice)

as Willy

as Guy Gagné (voice)

as John Pemberton

as Referee / Slug (voice)

as Additional Voices (voice)

as Self

as Announcer (voice) (uncredited)

as Desi's Store Pickup (uncredited)
as Self - Host

as Tom McDougall

as Self

as Andy Warhol

as Self

as Self

as Self

as Self

as Self

as Hansel (voice)

as Vincent Price

as Haggard

as Birdman

as Mickey (voice)

as Big Bob Belcher (voice)

as Self

as Various (archive footage)

as The Voice (voice)

as Self

as Self

as William Dyer (voice)

as Tad (voice)

as (archive footage)
as General Custer

as Flint Lockwood (voice)

as Self - Guest

as Gazelle (voice)

as Shaman

as George Armstrong Custer

as (voice)

as Various (archive footage)

as Bobby

as Self - Guest

as Various

as Rob Slolom

as Rob Slolom

as Private Miller
as Josh

as Brian Bretter
as Keith

as Fiddelin Announcer (voice)

as Pavlov (voice)

as Recumbent Biker

as Officer Slater
as Self

as Dave

as Brent

as Bill - Bookstore Fan

as Little Kevin

as Self as James Quall

as Kevin

as Mark

as Self

as Soldier Sam (voice)

as Eric

as Bill Hader

as Self

as Professor Impossible / Phage (voice)

as Professor Impossible (voice)

as Professor Impossible / Alien Villain (voice)

as Headshot (voice)

as Phineas Phage / Headshot / Flying Squid (voice)

as Flying Squid (voice)

as Barnaby G. Price

as Self

as Field Agent

as Der Inflatable Hitler (voice)

as Pod (voice)

as Igor, Gregor, & Timor

as Self

as Plex the robot

as Alec Baldwin

as Self

as Flame Eye / Flatside (voice)

as Self

as Self - Guest

as Manacek (voice)

as Slava (voice)

as Self - Various Characters

as Self - Cameo (uncredited)

as Self - Host

as Self (archive footage)

as Alexi