- John C. Reilly (8 movies)
- John C. Quinlan (1 movie)
- John C. McGinley (3 movies)
- John C. MacDonald (1 movie)
- John C. Klein (1 movie)
- John Buscemi (1 movie)
- John Burke (1 movie)
- John Buijsman (1 movie)
- John Bucy (1 movie)
- John Bubniak (1 movie)
- John Brungot (3 movies)
- John Brown (1 movie)
- John Brotherton (3 movies)
- John Breckinridge (1 movie)
- John Brebner (1 movie)
- John Brandon (1 movie)
- John Bradley (1 movie)
- John Bracci (1 movie)
- John Boyega (3 movies)
- John Boswall (1 movie)
- John Bluthal (1 movie)
- John Bloom (1 movie)
- John Bliss (1 movie)
- John Blaylock (1 movie)
- John Blaisse (1 movie)
- John Blackman (1 movie)
- John Black (1 movie)
- John Bishop (1 movie)
- John Billingsley (1 movie)
- John Bilezikjian (1 movie)
- John Bianco (1 movie)
- John Bernecker (1 movie)
- John Bennett Perry (1 movie)
- John Benjamin Hickey (3 movies)
- John Belushi (1 movie)
- John Bell (2 movies)
- John Bedford Lloyd (3 movies)
- John Beard (1 movie)
- John Beal (1 movie)
- John Bayliss (1 movie)
- John Bartha (1 movie)
- John Barrowman (1 movie)
- John Barr (1 movie)
- John Barbata (1 movie)
- John Bailey (1 movie)
- John Bach (1 movie)
- John Aylward (2 movies)
- John Atwood (1 movie)
- John Atterbury (2 movies)
- John Astin (2 movies)