- Marisa Abela (2 movies)
- Marisa Regina (1 movie)
- Marissa McBride (1 movie)
- Mark Bernard (1 movie)
- Mark Fletcher (1 movie)
- Mark Gatiss (1 movie)
- Mark Hamill (1 movie)
- Mark Steger (1 movie)
- Mark Talur (1 movie)
- Mark Wahlberg (1 movie)
- Mark Wales (1 movie)
- Marko Zaror (1 movie)
- Markus Hamilton (1 movie)
- Marky Lee Campbell (1 movie)
- Marlea Cleveland (1 movie)
- Marlene Slaughter (1 movie)
- Marley Ralph (1 movie)
- Marlie Goddard (1 movie)
- Martha B. Knighton (1 movie)
- Martin Cohen (1 movie)
- Martin Lawrence (1 movie)
- Martin Short (1 movie)
- Martinez (1 movie)
- Martyn Ford (1 movie)
- Marwan Kenzari (1 movie)
- Mary Elizabeth Ellis (1 movie)
- Mary Joe Fernández (1 movie)
- Mary M. Flynn (1 movie)
- Marybel Rodriguez (1 movie)
- Mashhoor Amrohi (1 movie)
- Mason Boyce (1 movie)
- Mason Bumba (1 movie)
- Master Roshan (1 movie)
- Máté Haumann (1 movie)
- Mateo Zoryan Francis-DeFord (1 movie)
- Mathew Baynton (1 movie)
- Mathew Varghese (3 movies)
- Mathi Alagan (1 movie)
- Matilda Thorpe (1 movie)
- Matilda Tucker (1 movie)
- Matt Berry (2 movies)
- Matt Bomer (1 movie)
- Matt Damon (1 movie)
- Matt De Souza (1 movie)
- Matt Gerald (1 movie)
- Matt Lucas (2 movies)
- Matt Malecki (1 movie)
- Matt Nolan (1 movie)
- Matt Redman (1 movie)
- Matt Snead (1 movie)