William Stanford Davis

Acting

William Stanford Davis

Born 7 August 1951 · St. Louis, Missouri, USA · 75

William Stanford Davis (born August 7, 1951) is an American actor. He is best known for his role as school custodian Mr. Johnson on the ABC sitcom Abbott Elementary (2021–present).

Known for

Highlights

The Big Bang Theory2007 · Series · Dry Cleaner
Bones2005 · Series · Floyd Barber
Shameless2011 · Series · Conrad
Desperate Housewives2004 · Series · William
It's Always Sunny in Philadelphia2005 · Series · Mr. Johnson
Chicago Med2015 · Series · Ed Brennan

Filmography

Movies

30 films

Undercard2026 · Film · Baba T
Diary of a Wimpy Kid: The Last Straw2025 · Film · Troopmaster Barrett (voice)
A Holiday Chance2021 · Film · Bernie
Adopt a Highway2019 · Film · Hatty
Holly Day2018 · Film · Thaddeus
Dead Women Walking2018 · Film · Warden
Please Stand By2018 · Film · Creed (uncredited)
Handsome: A Netflix Mystery Movie2017 · Film · Lester
A Winter Rose2016 · Film · Stage Manager
Cardboard Boxer2016 · Film · Jazzy
So B. It2016 · Film · Man at Cab Co.
When Duty Calls2015 · Film · Clyde Pierce
Guns for Hire2015 · Film · Liquor Store Clerk
L.A. Superheroes2013 · Film · Hal
Love, Gloria2012 · Film · Kenny
Barry Munday2010 · Film · Greens Keeper
Accused at 172009 · Film · Detective Gilson
Across the Hall2009 · Film · Custodian
Hallowed Ground2007 · Film · Truck Driver
Self Medicated2005 · Film · Gabe
A Lot Like Love2005 · Film · Priest
Urban Evil: Trilogy of Fear2005 · Film
The Spirit Hunter2004 · Film · Gabe
Clean2004 · Film · Foster
James Dean2001 · Film · Train Conductor
The Prophecy 3: The Ascent2000 · Film · Portly Coroner
Ragdoll1999 · Film · Big Pere
City of Angels1998 · Film · Construction Foreman
Primary Colors1998 · Film · Jack Mandela Washington
Running Time1997 · Film · Buzz

Filmography

Series

38 shows

Side Quest2025 · Series · Earl
Abbott Elementary2021 · Series · Mr. Johnson
Swagger2021 · Series · Coach Max
Perry Mason2020 · Series · Daniel Madison
Snowpiercer2020 · Series · Mr. Riggs
Truth Be Told2019 · Series · Agathia
Light as a Feather2018 · Series · Old Man
Chicago Med2015 · Series · Ed Brennan
Ray Donovan2013 · Series · Potato Pie
The Finder2012 · Series · Earl
Harry's Law2011 · Series · Kareem Anderson
Shameless2011 · Series · Conrad
The Middle2009 · Series · Projectionist
Terminator: The Sarah Connor Chronicles2008 · Series · Pastor Jonas
The Big Bang Theory2007 · Series · Dry Cleaner
Saving Grace2007 · Series · Group member at party
Shark2006 · Series · Sonny Gore
Studio 60 on the Sunset Strip2006 · Series · Floor Manager
Sons & Daughters2006 · Series · Cook
My Name Is Earl2005 · Series · Neighbor
Bones2005 · Series · Floyd Barber
It's Always Sunny in Philadelphia2005 · Series · Mr. Johnson
The Closer2005 · Series · Homeless Man
Desperate Housewives2004 · Series · William
LAX2004 · Series · Engineer Dietrich
Cold Case2003 · Series · Deante
American Dreams2002 · Series · Joe
The Shield2002 · Series · Deon
The Guardian2001 · Series · Brian
Curb Your Enthusiasm2000 · Series · Chulu Porter
The District2000 · Series · Mr. Gillis
CSI: Crime Scene Investigation2000 · Series · Mechanic
Strong Medicine2000 · Series · Doug - Aneesha's Boss
Angel1999 · Series · Security Guard
Ally McBeal1997 · Series · Jim
The Practice1997 · Series · Clarence Barnett
Touched by an Angel1994 · Series · Doug
Sister, Sister1994 · Series · Rev. Tatum