| Morton, Julia | Julia Morton | Actor | 2005 | 1 | |
| Maloney, Margaret | Margaret Maloney | Producer | 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 | |
| Mayer, Steffi | Steffi Mayer | Designer | 2005 | 1 | |
| Markert, Joan | Joan Markert | Costume Designer | 2005 | 1 | |
| 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 | |
| Missbach, Klaus | Klaus Missbach | Dramaturg | 2005 - 2017 | 9 | |
| Meyn, Tilman | Tilman Meyn | Actor | 2005 - 2007 | 6 | |
| Maric, Dave | Dave Maric | Composer | 2005 - 2008 | 3 | |
| Martlew, Zoe | Zoe Martlew | Musician | 2005 - 2006 | 2 | |
| Manthei, Aurel | Aurel Manthei | Actor | 2005 - 2006 | 2 | |
| Mach, Claudius | Claudius Mach | Actor, Composer | 2001 - 2002 | 4 | |
| Manuel, Carlos | Carlos Manuel | Actor, Director | 2001 - 2002 | 4 | |
| Morgan, Lucien | Lucien Morgan | Actor | 2001 | 1 | |
| Meacher, Harry | Harry Meacher | Adaptation, Director | 2001 - 2007 | 3 | |
| 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 | |
| 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 | |
| Mainka, Marion | Marion Mainka | Actor | 2001 | 5 | |
| Mirbach, Klaus von | Klaus von Mirbach | Actor | 2001 | 5 | |
| Mokkila, Sinikka | Sinikka Mokkila | Actor | 2001 | 1 | |
| Munclinger, Josef | Josef Munclinger | Actor | 1941 | 1 | |
| Muž, Stanislav | Stanislav Muž | Actor | 1941 | 1 | |
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