John Challis is an English actor, best known for playing Boycie Boyce in the long-running comedy show Only Fools and Horses, and its 2005 spin-off, The Green Green Grass.
He played Scorby in the 1975 story The Seeds of Doom.
An early television role was in the gangster drama Big Breadwinner Hog in 1969 and he made regular appearances in Z Cars as Sergeant Culshaw between 1971 and 75.
His other television appearances include Dixon of Dock Green, The Sweeney, Beau Geste, Juliet Bravo, Coronation Street, Bloomers, Citizen Smith, Ever Decreasing Circles, Chance in a Million, The Bill, One Foot in the Grave, Open All Hours, The New Statesman, Don't Wait Up, Soldier Soldier, Brass Eye, My Family and Heartbeat.
On BBC radio, Challis played an interrogator in the play Rules of Asylum, by James Follett, broadcast on Radio 4 in 1973. He also played Dibden Purlew in Getting Nowhere Fast from 2001�04.