William Stanford Davis

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).

Known For

The Big Bang Theory

as Dry Cleaner

Bones

as Floyd Barber

Shameless

as Conrad

City of Angels

as Construction Foreman

Desperate Housewives

as William

Snowpiercer

as Mr. Riggs

CSI: Crime Scene Investigation

as Mechanic

It's Always Sunny in Philadelphia

as Mr. Johnson

A Lot Like Love

as Priest

Chicago Med

as Ed Brennan