- John Boyega (3 movies)
- John Bracci (1 movie)
- John Bradley (1 movie)
- John Brandon (1 movie)
- John Brebner (1 movie)
- John Breckinridge (1 movie)
- John Brotherton (3 movies)
- John Brown (1 movie)
- John Brungot (3 movies)
- John Bubniak (1 movie)
- John Bucy (1 movie)
- John Buijsman (1 movie)
- John Burke (1 movie)
- John Buscemi (1 movie)
- John C. Klein (1 movie)
- John C. McGinley (3 movies)
- John C. Quinlan (1 movie)
- John C. Reilly (8 movies)
- John Callen (3 movies)
- John Callery (1 movie)
- John Candy (6 movies)
- John Cann (1 movie)
- John Cannon (1 movie)
- John Capodice (4 movies)
- John Cappon (1 movie)
- John Carpenter (4 movies)
- John Carroll Lynch (6 movies)
- John Carter (2 movies)
- John Carter Cash (1 movie)
- John Carvalho (1 movie)
- John Casino (1 movie)
- John Cassini (2 movies)
- John Cassisi (1 movie)
- John Cazale (1 movie)
- John Ceallach (2 movies)
- John Cena (1 movie)
- John Cenatiempo (1 movie)
- John Chapman (1 movie)
- John Cho (6 movies)
- John Christian Graas (1 movie)
- John Churchill (1 movie)
- John Cleese (4 movies)
- John Cola (1 movie)
- John Colbert (1 movie)
- John Convertino (1 movie)
- John Costelloe (2 movies)
- John Cothran (2 movies)
- John Craigmile (1 movie)
- John Cumming (1 movie)
- John Cunningham (1 movie)