ACTOR
William Stanford Davis
Known for The Big Bang Theory · Bones · Shameless
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).
Snapshot 2026-10-16
- Born
- Aug 7, 1951
- Birthplace
- St. Louis, Missouri, USA
- Known For
- Acting
Biography
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).
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Known For
TV
The Big Bang TheoryDry Cleaner · 2007
★ 7.9
★ 7.9
TV
BonesFloyd Barber · 2005
★ 8.2
★ 8.2
TV
ShamelessConrad · 2011
★ 8.2
★ 8.2
MOVIE
City of AngelsConstruction Foreman · 1998
★ 6.8
★ 6.8
TV
Desperate HousewivesWilliam · 2004
★ 7.9
★ 7.9
TV
SnowpiercerMr. Riggs · 2020
★ 7.3
★ 7.3
TV
CSI: Crime Scene InvestigationMechanic · 2000
★ 7.6
★ 7.6
TV
It's Always Sunny in PhiladelphiaMr. Johnson · 2005
★ 8.2
★ 8.2
Filmography
Movies
Running TimeBuzz
1997
City of AngelsConstruction Foreman
1998
Primary ColorsJack Mandela Washington
1998
RagdollBig Pere
1999
The Prophecy 3: The AscentPortly Coroner
2000
James DeanTrain Conductor
2001TR
The Red Boot DiariesLeon
2001B
BulldogLeon
2002
CleanFoster
2004SC
Subway CafeJerome Mayfield
2004
The Spirit HunterGabe
2004
A Lot Like LovePriest
2005
Self MedicatedGabe
2005
Urban Evil: Trilogy of Fear
2005
Hallowed GroundTruck Driver
2007
Accused at 17Detective Gilson
2009
Across the HallCustodian
2009
Barry MundayGreens Keeper
2010
Love, GloriaKenny
2012
L.A. SuperheroesHal
2013
Guns for HireLiquor Store Clerk
2015
When Duty CallsClyde Pierce
2015
A Winter RoseStage Manager
2016
Cardboard BoxerJazzy
2016
So B. ItMan at Cab Co.
2016YC
You Can Never Really Know SomeoneMan 2 (Bible Study Member)
2016
Handsome: A Netflix Mystery MovieLester
2017
Dead Women WalkingWarden
2018
Holly DayThaddeus
2018
Please Stand ByCreed (uncredited)
2018
Adopt a HighwayHatty
2019
A Holiday ChanceBernie
2021
Diary of a Wimpy Kid: The Last StrawTroopmaster Barrett (voice)
2025
UndercardBaba T
2026DW
Damn WhiteyGeorge
Television
Sister, SisterRev. Tatum · 1 eps
1994
Touched by an AngelDoug · 1 eps
1994
Ally McBealJim · 3 eps
1997
The PracticeClarence Barnett · 1 eps
1997
AngelSecurity Guard · 1 eps
1999
CSI: Crime Scene InvestigationMechanic · 1 eps
2000
Curb Your EnthusiasmChulu Porter · 1 eps
2000
Strong MedicineDoug - Aneesha's Boss · 1 eps
2000
The DistrictMr. Gillis · 1 eps
2000
The GuardianBrian · 1 eps
2001
American DreamsJoe · 1 eps
2002
The ShieldDeon · 1 eps
2002
Cold CaseDeante · 1 eps
2003
Jimmy Kimmel Live!Self - Guest · 1 eps
2003
Desperate HousewivesWilliam · 1 eps
2004
LAXEngineer Dietrich · 1 eps
2004
BonesFloyd Barber · 1 eps
2005
It's Always Sunny in PhiladelphiaMr. Johnson · 1 eps
2005
My Name Is EarlNeighbor · 1 eps
2005
The CloserHomeless Man · 1 eps
2005
SharkSonny Gore · 1 eps
2006
Sons & DaughtersCook · 1 eps
2006
Studio 60 on the Sunset StripFloor Manager · 1 eps
2006
Saving GraceGroup member at party · 1 eps
2007
The Big Bang TheoryDry Cleaner · 1 eps
2007
Terminator: The Sarah Connor ChroniclesPastor Jonas · 1 eps
2008
The MiddleProjectionist · 1 eps
2009
Harry's LawKareem Anderson · 1 eps
2011
ShamelessConrad · 1 eps
2011
The FinderEarl · 1 eps
2012
Ray DonovanPotato Pie · 9 eps
2013
Chicago MedEd Brennan · 1 eps
2015
Light as a FeatherOld Man · 1 eps
2018
The Kelly Clarkson ShowSelf · 1 eps
2019
Truth Be ToldAgathia · 1 eps
2019
Perry MasonDaniel Madison · 1 eps
2020
SnowpiercerMr. Riggs · 5 eps
2020
Abbott ElementaryMr. Johnson · 96 eps
2021
SwaggerCoach Max · 3 eps
2021
SherriSelf - Guest · 1 eps
2022
The Jennifer Hudson ShowSelf - Guest · 3 eps
2022
Side QuestEarl · 1 eps
2025Photos
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