- 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)
- Matthew C. Yee (1 movie)
- Matthew Charlery-Smith (1 movie)
- Matthew Cornwell (1 movie)
- Matthew Gammie (1 movie)
- Matthew Macfadyen (1 movie)
- Matthew McConaughey (1 movie)
- Matthew Modine (1 movie)
- Matthew Rimmer (1 movie)
- Matthew Sallee (1 movie)
- Matthew Van Leeve (1 movie)
- Matthew Wood (1 movie)
- Matthew Zuk (1 movie)
- Matthias Schweighöfer (1 movie)
- Matuse Paz (2 movies)
- Maura Tierney (1 movie)
- Maurice T. Johnson (1 movie)
- Max Bojorquez (1 movie)
- Max Huang (1 movie)
- Max Mittelman (1 movie)
- Max Pescherine (1 movie)
- Max Raphael (1 movie)
- Maxim Helmerich (1 movie)
- Maxime Durand (1 movie)