- Milburn Stone (5 movies)
- Moe Howard (5 movies)
- Marion Martin (4 movies)
- Mary Beth Hughes (4 movies)
- Mary Brian (4 movies)
- Matt Moore (4 movies)
- Michael Mark (4 movies)
- Michael Visaroff (4 movies)
- Madge Evans (3 movies)
- Mae Clarke (3 movies)
- Margaret Hamilton (3 movies)
- Martha Scott (3 movies)
- Mary Forbes (3 movies)
- Mary Gordon (3 movies)
- Maureen O'Hara (3 movies)
- Maurice Black (3 movies)
- Mickey Rooney (3 movies)
- Mike Lally (3 movies)
- Milton Kibbee (3 movies)
- Minerva Urecal (3 movies)
- Moroni Olsen (3 movies)
- Morris Carnovsky (3 movies)
- Madeline Wilson (2 movies)
- Mala Powers (2 movies)
- Margaret Bert (2 movies)
- Margaret Livingston (2 movies)
- Margaret Yarde (2 movies)
- Maria Ouspenskaya (2 movies)
- Marie Ault (2 movies)
- Marie Ney (2 movies)
- Marie Windsor (2 movies)
- Mario Siletti (2 movies)
- Marius Goring (2 movies)
- Marjorie Reynolds (2 movies)
- Martha Wentworth (2 movies)
- Mary Astor (2 movies)
- Mary Field (2 movies)
- Mary MacLaren (2 movies)
- Mary Nash (2 movies)
- Matt McHugh (2 movies)
- Matthew Boulton (2 movies)
- Maude Eburne (2 movies)
- Maurice Cass (2 movies)
- Max Terhune (2 movies)
- May Beatty (2 movies)
- May Robson (2 movies)
- Merle Oberon (2 movies)
- Merrill McCormick (2 movies)
- Merrill Rodin (2 movies)
- Michael Rennie (2 movies)