| Medvedev, Vadim | Vadim Medvedev | Actor | 2008 | 1 | |
| Morelli, Max | Max Morelli | Actor | 1912 | 1 | |
| Mayall, Herschell | Herschell Mayall | Actor | 1905 | 1 | |
| Mulamba, Gwendolyn | Gwendolyn Mulamba | Actor | 2008 | 1 | |
| Meringdal, Otto Georg, Valtteri | Otto Georg Valtteri Meringdal | Actor | 2016 - 2017 | 2 | |
| Möller, A. | A. Möller | Director | 1934 | 1 | |
| Merino, Anna | Anna Merino | Mask Maker | 2008 | 15 | |
| Mallol, Carles | Carles Mallol | Adaptation, Dramaturg | 2008 | 30 | |
| Mátyássy , Bence | Bence Mátyássy | Actor | 2015 | 1 | |
| Molnár, Erika | Erika Molnár | Actor | 2015 | 1 | |
| Maas, Werner | Werner Maas | Actor | 1936 | 1 | |
| Mátyássy, Kála Cecília | Kála Cecília Mátyássy | Actor | 2015 | 1 | |
| Molter, Lotte | Lotte Molter | Actor | 1922 - 1937 | 3 | |
| Mäder, Joachim | Joachim Mäder | Actor | 2008 | 7 | |
| Mees, Siegbert | Friedrich Siegbert Mees | Conductor | 1926 - 1938 | 2 | |
| Michalski, Carl | Carl Michalski | Conductor | 1938 | 1 | |
| Morris, Courtney | Courtney Morris | Actor | 2008 | 1 | |
| Magener, Karl | Karl Magener | Actor | 1900 | 1 | |
| Müller-Multa, Ernst | Ernst Müller-Multa | Designer, Director | 1939 | 2 | |
| Meik, Siegfried | Siegfried Meik | Conductor | 1939 | 1 | |
| Markwart, Frl. | Frl. Markwart | Actor | 1897 | 1 | |
| Markwordt, August | August Markwordt | Actor | 1891 | 1 | |
| Moscatiello , Chris | Chris Moscatiello | Sound Designer | 2008 | 1 | |
| McCardle, Helene | Helene McCardle | Actor | 2008 | 1 | |
| Miller, Quincy | Quincy Miller | Actor | 2008 | 1 | |
| Monteiro , Bernardo | Bernardo Monteiro | Costume Designer | 2008 | 1 | |
| McCrory, Helen | Helen McCrory | Actor | 2008 | 1 | |
| Marker, Otto | Otto Marker | Designer | 1943 | 1 | |
| Mäusli, Olivier | Olivier Mäusli | Actor | 2008 | 8 | |
| Mareich, Helmi | Helmi Mareich | Actor | 1950 - 1962 | 4 | |
| Meskhishvili, Lado | Lado Meskhishvili | Actor, Director | 1898 | 2 | |
| Meertens, Stéphanie | Stéphanie Meertens | Actor | 2008 | 1 | |
| Maxfield, Nelden, V. | Nelden V. Maxfield | Actor | 1965 | 1 | |
| Mcfarlane, Don | Don Mcfarlane | Actor | 1965 | 1 | |
| Mune, Ian | Ian Mune | Actor | 1965 | 1 | |
| Marcondes, Noêmia | Noêmia Marcondes | Actor | 1965 | 2 | |
| Markham, Monte | Monte Markham | Actor | 1965 | 1 | |
| Margolin, Stuart | Stuart Margolin | Actor | 1965 - 2018 | 3 | |
| Mytaras, Dimitris | Dimitris Mytaras | Costume Designer, Designer | 1965 - 1966 | 6 | |
| Maux, Inge | Inge Maux | Actor | 1965 | 1 | |
| Mertin, Anne | Anne Mertin | Actor | 1965 | 1 | |
| Marencke, Robert | Robert Marencke | Actor | 1965 - 1970 | 2 | |
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