| McIntosh, Yanna | Yanna McIntosh | Actor | 2005 | 1 | |
| McCamus, Tom | Tom McCamus | Actor | 2005 - 2024 | 2 | |
| Mayr, Christel | Christel Mayr | Actor | 2005 - 2015 | 5 | 1 |
| Mühleisen, Günter | Günter Mühleisen | Actor | 2005 | 1 | |
| Mohr, Maria | Maria Mohr | Actor | 2005 | 1 | |
| Moger, Andrew | Andrew Moger | Actor | 2001 | 1 | |
| Moss, Cat | Cat Moss | Actor | 2001 | 1 | |
| Müllerová, Marie | Marie Müllerová | Actor | 1947 | 1 | |
| Mestek, Jan | Jan Mestek | Actor | 1946 | 1 | |
| Moltzen, Peter | Peter Moltzen | Actor | 2005 - 2007 | 6 | 1 |
| Máj, Karel | Karel Máj | Actor | 1946 | 1 | |
| Májová, Jarmila | Jarmila Májová | Actor | 1946 | 1 | |
| McCreery, Helen | Helen McCreery | Actor | 2005 | 1 | |
| Morton, Julia | Julia Morton | Actor | 2005 | 1 | |
| Murakami, Hiroshi | Hiroshi Murakami | Actor | 1978 - 2013 | 16 | |
| Mota-Testrake, Zachary | Zachary Mota-Testrake | Actor | 2005 | 1 | |
| Miller Lindblom, Penelope | Penelope Miller Lindblom | Actor | 2005 | 2 | |
| Moreno, Missy | Missy Moreno | Actor | 2005 | 3 | |
| McCune, Jason | Jason McCune | Actor | 2005 | 4 | |
| Macrin, Bujor | Bujor Macrin | Actor | 1995 - 2010 | 3 | |
| Mocanu, Emilia | Emilia Mocanu | Actor | 1995 - 2010 | 5 | |
| Moldoveanu, Dan | Dan Moldoveanu | Actor | 1995 - 2010 | 5 | |
| Marin, Ilona | Ilona Marin | Actor | 2010 | 2 | |
| Manokhin, Denis | Denis Manokhin | Actor | 2005 | 1 | |
| Meyn, Tilman | Tilman Meyn | Actor | 2005 - 2007 | 6 | |
| Manthei, Aurel | Aurel Manthei | Actor | 2005 - 2006 | 2 | |
| Morgan, Lucien | Lucien Morgan | Actor | 2001 | 1 | |
| Machník, B. | B. Machník | Actor | 1943 | 1 | |
| Metzroth, Luna | Luna Metzroth | Actor | 2005 | 26 | |
| McClain, Amelia | Amelia McClain | Actor | 2005 - 2020 | 2 | |
| Mingli, Yang | Yang Mingli | Actor | 2005 | 2 | |
| Mengsha, Hou | Hou Mengsha | Actor | 2005 | 2 | |
| Myles, Maddy | Maddy Myles | Actor | 2005 - 2007 | 10 | |
| Marcus, Edgar M. | Edgar M. Marcus | Actor | 1986 - 2009 | 3 | |
| McNall, Sean | Sean McNall | Actor | 2005 | 1 | 1 |
| Moyer, Tim | Tim Moyer | Actor | 2005 | 1 | |
| McLenigan, Jered | Jered McLenigan | Actor | 2005 | 1 | |
| McCann, Brian | Brian McCann | Actor | 2005 | 1 | |
| Miholjević, Jelena | Jelena Miholjević | Actor | 2005 - 2006 | 2 | |
| Martin, Karel | Karel Martin | Actor | 1941 | 1 | |
| Milas, Darko | Darko Milas | Actor | 1996 - 2006 | 3 | |
| Miletić, Dubravka | Dubravka Miletić | Actor | 2005 - 2006 | 2 | |
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