- June Christopher (2 movies)
- June Squibb (2 movies)
- Justin Mader (2 movies)
- Justin Michael Brandt (2 movies)
- Justin Rodgers Hall (2 movies)
- Justin Welborn (2 movies)
- Justin Wheelon (2 movies)
- J. J. Feild (3 movies)
- J.C. MacKenzie (3 movies)
- Jacinda Barrett (3 movies)
- Jack Nicholson (3 movies)
- Jack Purvis (3 movies)
- Jack Reynor (3 movies)
- Jackie Tuttle (3 movies)
- Jacky Ido (3 movies)
- Jacob Wysocki (3 movies)
- Jacquie Barnbrook (3 movies)
- Jaeden Lieberher (3 movies)
- Jaime King (3 movies)
- Jaime Pressly (3 movies)
- Jake Stormoen (3 movies)
- James Babson (3 movies)
- James Belushi (3 movies)
- James Biberi (3 movies)
- James Buckley (3 movies)
- James Callis (3 movies)
- James Fox (3 movies)
- James Frain (3 movies)
- James Hiroyuki Liao (3 movies)
- James Karen (3 movies)
- James Landry Hébert (3 movies)
- James Martin Kelly (3 movies)
- James Nesbitt (3 movies)
- James Saito (3 movies)
- James Tolkan (3 movies)
- Jamie Dornan (3 movies)
- Jamie Sives (3 movies)
- Jamie Waylett (3 movies)
- Jane Curtin (3 movies)
- Jane Fonda (3 movies)
- Jane Krakowski (3 movies)
- Jared Leto (3 movies)
- Jason Butler Harner (3 movies)
- Jason Douglas (3 movies)
- Jason Mewes (3 movies)
- Jason O'Mara (3 movies)
- Jay Brazeau (3 movies)
- Jay Chou (3 movies)
- Jay Giannone (3 movies)
- Jay Laga'aia (3 movies)