- Monique Ganderton (5 movies)
- M. Night Shyamalan (4 movies)
- Macon Blair (4 movies)
- Mads Mikkelsen (4 movies)
- Maggie Gyllenhaal (4 movies)
- Mahershala Ali (4 movies)
- Manu Bennett (4 movies)
- Marcus Young (4 movies)
- Maria Bello (4 movies)
- Marian Green (4 movies)
- Mark Arnold (4 movies)
- Mark Ashworth (4 movies)
- Mark Hadlow (4 movies)
- Mark Kubr (4 movies)
- Mark Rolston (4 movies)
- Mark Steger (4 movies)
- Mark Strong (4 movies)
- Marley Shelton (4 movies)
- Marmee Regine Cosico (4 movies)
- Martin Palmer (4 movies)
- Martin Sheen (4 movies)
- Matt Craven (4 movies)
- Matt Gerald (4 movies)
- Matthew Cornwell (4 movies)
- Matthew Wood (4 movies)
- Maurice LaMarche (4 movies)
- Max von Sydow (4 movies)
- Megan Fox (4 movies)
- Melissa Leo (4 movies)
- Mena Suvari (4 movies)
- Meta Golding (4 movies)
- Michael Beach (4 movies)
- Michael Beasley (4 movies)
- Michael Berry Jr. (4 movies)
- Michael Bowen (4 movies)
- Michael Cera (4 movies)
- Michael Chernus (4 movies)
- Michael Clarke Duncan (4 movies)
- Michael Ensign (4 movies)
- Michael Fassbender (4 movies)
- Michael Giacchino (4 movies)
- Michael J. Fox (4 movies)
- Michael Rispoli (4 movies)
- Michael Shamus Wiles (4 movies)
- Michael Wincott (4 movies)
- Michelle Lee (4 movies)
- Miguel Ferrer (4 movies)
- Mike Bacarella (4 movies)
- Mike Moroff (4 movies)
- Mona Marshall (4 movies)