- Milo Ventimiglia (4 movies)
- Miranda Otto (4 movies)
- Moisés Arias (4 movies)
- Monique Ganderton (4 movies)
- Moon Bloodgood (4 movies)
- Morgan Griffin (4 movies)
- Mos Def (4 movies)
- Mykelti Williamson (4 movies)
- M. Night Shyamalan (3 movies)
- Maaya Sakamoto (3 movies)
- Mackenzie Davis (3 movies)
- Mae Whitman (3 movies)
- Magda Szubanski (3 movies)
- Maika Monroe (3 movies)
- Makenzie Vega (3 movies)
- Malcolm Goodwin (3 movies)
- Marc Blucas (3 movies)
- Marc Evan Jackson (3 movies)
- Marcella Lentz-Pope (3 movies)
- Marcia Bennett (3 movies)
- Mare Winningham (3 movies)
- Maria Dizzia (3 movies)
- Maria Zambrana (3 movies)
- Marian Seldes (3 movies)
- Marianne Jean-Baptiste (3 movies)
- Marilyn Norry (3 movies)
- Marin Hinkle (3 movies)
- Marin Ireland (3 movies)
- Mark Camacho (3 movies)
- Mark Donovan (3 movies)
- Mark Famiglietti (3 movies)
- Mark Ivanir (3 movies)
- Mark Pellegrino (3 movies)
- Mark Rylance (3 movies)
- Mark Smith (3 movies)
- Marko Caka (3 movies)
- Marlene Forte (3 movies)
- Martin Kove (3 movies)
- Martin Landau (3 movies)
- Martin Savage (3 movies)
- Martin Wuttke (3 movies)
- Mary Birdsong (3 movies)
- Mary Lynn Rajskub (3 movies)
- Mary McDonnell (3 movies)
- Massi Furlan (3 movies)
- Mathieu Kassovitz (3 movies)
- Matt Cornwell (3 movies)
- Matt Gerald (3 movies)
- Matt Lanter (3 movies)
- Matthew Marsden (3 movies)