- Morton Lowry (1 movie)
- Mr. Burnhett (1 movie)
- Mrs. Leslie Carter (1 movie)
- Murdock MacQuarrie (1 movie)
- Murray Alper (1 movie)
- Murvyn Vye (1 movie)
- Myra Keaton (1 movie)
- Myron Healey (1 movie)
- Myrtle Stedman (1 movie)
- 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)
- Michèle Morgan (2 movies)
- Mickey Rentschler (2 movies)
- Mike Donovan (2 movies)
- Mike Kellin (2 movies)
- Mildred Coles (2 movies)
- Mimi Aguglia (2 movies)
- Mischa Auer (2 movies)
- Mitchell Lewis (2 movies)
- Moms Mabley (2 movies)
- Montagu Love (2 movies)
- Monte Blue (2 movies)
- Morgan Wallace (2 movies)
- Morland Graham (2 movies)