| Mowrey, Terri | Terri Mowrey | Actor | 2007 | 1 | |
| Malých, Mrs. | Mrs. Malých | Actor | 1904 | 1 | |
| Magazzari, Ms. | Ms. Magazzari | Actor | 1891 - 1892 | 3 | |
| Mazzanti, Ettore | Ettore Mazzanti | Actor | 1891 - 1907 | 21 | |
| Marien, Pierre | Pierre Marien | Actor | 1984 | 1 | |
| Mazzarelli, - | - Mazzarelli | Actor | 1999 | 1 | |
| McDonald, Frank | Frank McDonald | Actor | 1971 - 1985 | 4 | |
| Michałowski, Janusz | Janusz Michałowski | Actor | 1994 | 2 | |
| Masek, Vaclav | Vaclav Masek | Actor | 1924 | 1 | |
| Moreau-Lepine, Blanche | Blanche Moreau-Lepine | Actor | 1995 | 1 | |
| Monaci, Maria Grazia | Maria Grazia Monaci | Actor | 1955 - 1956 | 2 | |
| McCormick, F.J. | F. J. McCormick (F.J. McCormick) | Actor | 1923 - 1929 | 5 | |
| MacAnna, Fiona | Fiona MacAnna | Actor | 1982 | 1 | |
| Maraval, - | - Maraval | Actor | 1921 - 1926 | 3 | |
| Mendizabal, Nelly | Nelly Mendizabal | Actor | 1954 - 1955 | 2 | |
| Merten, Thorsten | Thorsten Merten | Actor | 1994 - 1998 | 10 | |
| Martin, Thomas | Thomas Martin | Actor | 1953 - 1992 | 2 | |
| Murray, Nan | Nan Murray | Actor | 1916 | 1 | |
| Meyer, - | - Meyer | Actor | 1877 - 1901 | 5 | |
| Müller, - | - Müller | Actor | 1903 - 1918 | 4 | |
| Marshall, Eleanor Pierce | Eleanor Pierce Marshall | Actor | 1931 | 1 | |
| Melly, - | - Melly | Actor | 1928 - 1932 | 9 | |
| Miller, Anna C. | Anna C. Miller | Actor | 1995 | 1 | |
| Monti, Tony | Tony Monti | Actor | 1979 | 1 | |
| Makio, Yusuke | Yusuke Makio | Actor | 2006 | 1 | |
| Mizuchi, Yuko | Yuko Mizuchi | Actor | 2006 | 1 | |
| Minamikaze, Yoko | Yoko Minamikaze | Actor | 1986 | 1 | |
| Moore, Tobi Jane | Tobi Jane Moore | Actor | 2004 | 1 | |
| Martin, Laura Ann | Laura Ann Martin | Actor | 2004 | 1 | |
| Murray, Neil | Neil Murray | Actor | 2003 | 1 | |
| Máynez, Laura Elena Ortega | Laura Elena Ortega Máynez | Actor | 1985 | 1 | |
| Mörner, Dorothy | Dorothy Mörner | Actor | 2002 - 2005 | 3 | |
| Möller, Imke | Imke Möller | Actor | 1998 | 1 | |
| Meløy, Marianne | Marianne Meløy | Actor | 1994 - 2010 | 2 | 1 |
| Møller, Hildur | Hildur Møller | Actor | 1924 - 1933 | 3 | |
| Muñoz, Pep Anton | Pep Anton Muñoz | Actor | 2004 | 1 | |
| Malík, Jaroslav | Jaroslav Malík | Actor | 1961 | 1 | |
| Malíková, Dana | Dana Malíková | Actor | 1961 | 1 | |
| Macháček, Frantisek | Frantisek Macháček | Actor | 1956 | 1 | |
| Müllerová, M. | M. Müllerová | Actor | 1955 | 1 | |
| Molnár, Rózsi V. | Rózsi V. Molnár | Actor | 1918 | 1 | |
| Maevskij, Ljudvigov | Ljudvigov Maevskij | Actor | 1891 | 1 | |
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