| Maláčová, Monika | Monika Maláčová | Actor | 1996 | 1 | |
| Marti, Theo | Theo Marti | Actor | 1996 | 1 | |
| Mitra, Brinda | Brinda Mitra | Actor | 1996 | 1 | |
| Mitra, Rana | Rana Mitra | Actor | 1999 - 2007 | 8 | |
| Markusson, Robert | Robert Markusson | Actor | 1997 | 2 | |
| Moeremans, Walter | Walter Moeremans | Actor | 1996 | 1 | |
| Moorthamer, Lieve | Lieve Moorthamer | Actor | 1996 | 1 | |
| Major, Ida | Ida Major | Actor | 1891 | 1 | |
| Meershoek, Fabiënne | Fabiënne Meershoek | Actor | 1996 | 1 | |
| Mestermann, Mathias | Mathias Mestermann | Actor | 1996 | 1 | |
| Michel, Béatrice | Béatrice Michel | Actor | 1995 | 1 | |
| Matsumura, Hikojiro | Hikojiro Matsumura | Actor | 1996 - 2002 | 3 | |
| Mielke, Zbigniew | Zbigniew Mielke | Actor | 1995 | 1 | |
| Martins, Felipe | Felipe Martins | Actor | 1996 | 1 | |
| Merz, Patrizia | Patrizia Merz | Actor | 1996 | 1 | |
| MacDonald, Karen | Karen MacDonald | Actor | 1996 | 1 | |
| Mathis, Markus | Markus Mathis | Actor | 1996 | 1 | |
| Mooney, Daniel | Daniel Mooney | Actor | 1996 | 1 | |
| Meinberg, Lukas | Lukas Meinberg | Actor | 1995 | 4 | |
| Monostori, Margit | Margit Monostori | Actor | 1922 | 1 | |
| Maßun, Monika | Monika Maßun (Monika Massun) | Actor | 1995 | 1 | |
| Musgrove, Fannie | Fannie Musgrove | Actor | 1889 | 1 | |
| Möller-Lukasz, Gabriele | Gabriele Möller-Lukasz | Actor | 1995 - 2011 | 7 | 2 |
| Meyer, Jessica | Jessica Meyer | Actor | 1995 | 3 | |
| Müller, Wiebke | Wiebke Müller | Actor | 1995 | 3 | |
| Medghalchi, Darius | Darius Medghalchi | Actor | 1995 | 1 | |
| Międzik, Tomasz | Tomasz Międzik | Actor | 1995 - 2009 | 3 | |
| Meyer, Adrian | Adrian Meyer | Actor | 1995 | 1 | |
| Müller, Anna | Anna Müller | Actor | 1995 | 3 | |
| May, Alice | Alice May | Actor | 1891 | 9 | |
| Malmring, Olle | Olle Malmring | Actor | 1997 | 3 | |
| Murayama, Hiroshi | Hiroshi Murayama | Actor | 1995 | 1 | |
| Müller-Elmau, Katharina | Katharina Müller-Elmau | Actor | 1995 | 10 | |
| Mormino, Francesco | Francesco Mormino | Actor | 1995 - 2004 | 29 | |
| Marin, Bruno | Bruno Marin | Actor | 1995 - 1996 | 24 | |
| Meister, Michael | Michael Meister | Actor | 1995 | 6 | |
| Mattukat, Jana | Jana Mattukat | Actor | 1995 | 1 | |
| Mészáros, Mihály | Mihály Mészáros | Actor | 1995 - 2007 | 3 | |
| Meskendahl, Oliver | Oliver Meskendahl | Actor | 1995 - 2014 | 7 | 2 |
| Minis, Hadewych | Hadewych Minis | Actor | 2010 - 2012 | 12 | |
| Marvel, Elizabeth | Elizabeth Marvel | Actor | 2004 | 1 | |
| Merino, Francisco | Francisco Merino | Actor | 1958 - 1994 | 10 | |
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