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

The Kelly Clarkson Show
2026
CSI: Crime Scene Investigation
2008
Bones
2010
Shameless
2012
Desperate Housewives
2006
Jimmy Kimmel Live!
2024
The Jennifer Hudson Show
2024
Chicago Med
2016
Sherri
2025
It's Always Sunny in Philadelphia
2025
The Practice
1999
Curb Your Enthusiasm
2020

FILMOGRAPHY

All
Movies
TV
Acting
77
2026
Undercard
as Baba T
2026
The Kelly Clarkson Show
as Self
2025
Diary of a Wimpy Kid: The Last Straw
as Troopmaster Barrett (voice)
2025
Sherri
as Self - Guest
2025
Side Quest
as Earl
2025
It's Always Sunny in Philadelphia
as Mr. Johnson
2024
The Jennifer Hudson Show
as Self - Guest
2024
Jimmy Kimmel Live!
as Self - Guest
2023
Truth Be Told
as Agathia
2021
A Holiday Chance
as Bernie
2021
Abbott Elementary
as Mr. Johnson
2021
Swagger
as Coach Max
2020
Curb Your Enthusiasm
as Chulu Porter
2020
Snowpiercer
as Mr. Riggs
2020
Perry Mason
as Daniel Madison
2019
Adopt a Highway
as Hatty
2019
Light as a Feather
as Old Man
2018
Holly Day
as Thaddeus
2018
Please Stand By
as Creed (uncredited)
2018
Dead Women Walking
as Warden
2017
Handsome: A Netflix Mystery Movie
as Lester
2016
You Can Never Really Know Someone
as Man 2 (Bible Study Member)
2016
A Winter Rose
as Stage Manager
2016
Cardboard Boxer
as Jazzy
2016
So B. It
as Man at Cab Co.
2016
The Middle
as Projectionist
2016
Chicago Med
as Ed Brennan
2015
When Duty Calls
as Clyde Pierce
2015
Guns for Hire
as Liquor Store Clerk
2013
L.A. Superheroes
as Hal
2013
Ray Donovan
as Potato Pie
2012
Love, Gloria
as Kenny
2012
The Finder
as Earl
2012
The Big Bang Theory
as Dry Cleaner
2012
Shameless
as Conrad
2011
Harry's Law
as Kareem Anderson
2010
Barry Munday
as Greens Keeper
2010
Bones
as Floyd Barber
2009
Across the Hall
as Custodian
2009
Accused at 17
as Detective Gilson
2009
Saving Grace
as Group member at party
2008
CSI: Crime Scene Investigation
as Mechanic
2008
Terminator: The Sarah Connor Chronicles
as Pastor Jonas
2008
Shark
as Sonny Gore
2007
Hallowed Ground
as Truck Driver
2006
Sons & Daughters
as Cook
2006
Studio 60 on the Sunset Strip
as Floor Manager
2006
My Name Is Earl
as Neighbor
2006
Desperate Housewives
as William
2006
The Closer
as Homeless Man
2005
Self Medicated
as Gabe
2005
Urban Evil: Trilogy of Fear
2005
A Lot Like Love
as Priest
2004
Clean
as Foster
2004
The Spirit Hunter
as Gabe
2004
Subway Cafe
as Jerome Mayfield
2004
Angel
as Security Guard
2004
The Shield
as Deon
2004
LAX
as Engineer Dietrich
2004
The Guardian
as Brian
2003
Cold Case
as Deante
2003
The District
as Mr. Gillis
2003
Strong Medicine
as Doug - Aneesha's Boss
2003
Touched by an Angel
as Doug
2003
American Dreams
as Joe
2002
Bulldog
as Leon
2001
The Red Boot Diaries
as Leon
2001
James Dean
as Train Conductor
2000
The Prophecy 3: The Ascent
as Portly Coroner
1999
Ragdoll
as Big Pere
1999
Ally McBeal
as Jim
1999
Sister, Sister
as Rev. Tatum
1999
The Practice
as Clarence Barnett
1998
Primary Colors
as Jack Mandela Washington
1998
City of Angels
as Construction Foreman
1997
Running Time
as Buzz
Damn Whitey
as George