| Meinhard, Carl | Carl Meinhard | Actor, Director | 1901 - 1919 | 14 | |
| Markellos, Spyros | Spyros Markellos | Translator | 1901 - 1918 | 18 | |
| Morel, Emma | Emma Morel | Actor | 1901 - 1916 | 2 | |
| Milbitz, Paula | Paula Milbitz | Actor | 1901 - 1915 | 2 | |
| Miarczyński, Włodzimierz | Włodzimierz Miarczyński | Actor | 1901 - 1912 | 5 | |
| Müller, Erwin | Erwin Müller | Actor | 1901 - 1909 | 4 | |
| Morgenstern, Gustav | Gustav Morgenstern | Translator | 1901 - 1906 | 3 | |
| Mischke, Hans | Hans Mischke | Actor | 1901 - 1905 | 2 | |
| Madsen, Anna | Anna Madsen | Actor | 1901 - 1904 | 2 | |
| Marko, (?) | (?) Marko | Actor | 1901 - 1903 | 2 | |
| Marion, Marianne | Marianne Marion | Actor | 1901 - 1902 | 8 | |
| Monti, Edith | Edith Monti | Actor | 1901 | 1 | |
| Maßberg, Hermann | Hermann Maßberg | Actor | 1901 | 1 | |
| Mäder, Marie | Marie Mäder | Actor | 1901 | 1 | |
| Micińska, Wanda | Wanda Micińska | Actor | 1901 | 1 | |
| Mandrovitsch, Adam | Adam Mandrovitsch | Director | 1901 | 1 | |
| Maltby, Charles | Charles Maltby | Actor | 1901 | 1 | |
| Marcus, Ethel | Ethel Marcus | Actor | 1901 | 1 | |
| Mihályfi, - | - Mihályfi | Actor | 1901 | 1 | |
| Møller, Mimi | Mimi Møller | Actor | 1901 | 6 | |
| Malmgreen, Olaf | Olaf Malmgreen | Actor | 1901 | 6 | |
| Mølbach, Christian | Christian Mølbach | Actor | 1901 | 1 | |
| Mietle, Benny | Benny Mietle | Actor | 1901 | 1 | |
| Morozowicz, Rufin(?) | Rufin(?) Morozowicz | Actor | 1901 | 1 | |
| Matuszewski, - | - Matuszewski | Actor | 1901 | 1 | |
| Morzkowski, - | - Morzkowski | Actor | 1901 | 1 | |
| Merito, Ada | Ada Merito | Actor | 1901 | 1 | |
| Marian, B. | B. Marian | Translator | 1901 | 2 | 1 |
| Massalitinov, N. | Nikolaj O. Massalitinov | Actor, Director | 1900 - 1939 | 10 | |
| Marlow, Heinrich | Heinrich Marlow | Actor | 1900 - 1933 | 7 | 1 |
| Murphy, John Daly | John Daly Murphy | Actor | 1900 - 1929 | 5 | |
| Munt, E. | E. Munt | Actor | 1900 - 1924 | 5 | |
| Mejerhol'd, Vsevolod | Vsevolod Mejerhol'd (Всеволод Мейерхольд) | Actor, Adaptation, Designer, Director | 1900 - 1924 | 45 | 1 |
| Massenet, Jules | Jules Massenet | Composer | 1900 - 1917 | 4 | |
| Möller, Mr. | Mr. Möller | Actor | 1900 - 1914 | 5 | |
| Mann-Bouwmeester, Theo | Theo Mann-Bouwmeester | Actor | 1900 - 1914 | 5 | |
| Maurer, Marie, von | Marie von Maurer | Actor | 1900 - 1912 | 4 | |
| Morska-Popławska, Gabriela | Gabriela Morska-Popławska | Actor | 1900 - 1908 | 7 | |
| Mährdel, Emil | Emil Mährdel | Actor | 1900 - 1904 | 11 | |
| Martini, Willy | Willy Martini | Actor, Director | 1900 - 1904 | 4 | |
| Morozowicz, Henryk | Henryk Morozowicz | Actor, Director | 1900 - 1904 | 2 | |
| Mayer, Hans | Hans Mayer | Actor | 1900 - 1902 | 8 | |
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