| Martini, Willy | Willy Martini (Willy Martini) | Actor, Director | 1900 - 1904 | 4 | |
| Mehner, Adolf | Adolf Mehner (Adolf Mehner) | Actor | 1900 | 1 | |
| Marton, Rosa | Rosa Marton (Rosa Marton) | Actor | 1900 | 1 | |
| Milbitz, Paula | Paula Milbitz (Paula Milbitz) | Actor | 1901 - 1915 | 2 | |
| Maßberg, Hermann | Hermann Maßberg (Hermann Maßberg) | Actor | 1901 | 1 | |
| Mäder, Marie | Marie Mäder (Marie Mäder) | Actor | 1901 | 1 | |
| Meinhard, Carl | Carl Meinhard (Carl Meinhard) | Actor, Director | 1901 - 1919 | 14 | |
| Morgenstern, Gustav | Gustav Morgenstern | Translator | 1901 - 1906 | 3 | |
| Metz, Emma | Emma Metz (Emma Metz) | Actor | 1902 | 1 | |
| Mandé, Rudolf | Rudolf Mandé (Rudolf Mandé) | Actor | 1902 - 1908 | 3 | |
| Muth, Mr. | Mr. Muth (Mr. Muth) | Actor | 1902 | 1 | |
| Müller, Paula | Paula Müller (Paula Müller) | Actor | 1902 | 1 | |
| Mansfeld, Christine | Christine Mansfeld (Christine Mansfeld) | Actor | 1902 | 1 | |
| Mentzl, P. | P. Mentzl | Actor | 1902 | 1 | |
| Müller, Ida | Ida Müller (Ida Müller) | Actor | 1892 - 1902 | 2 | |
| Marberg, Lili | Lili Marberg (Lili Marberg) | Actor | 1902 - 1918 | 2 | |
| Malten, Alexandrine | Alexandrine Malten (Alexandrine Malten) | Actor | 1903 | 3 | |
| Mauth, Karl | Karl Mauth (Karl Mauth) | Actor, Director | 1903 - 1917 | 6 | |
| Moebius, Eugen | Eugen Moebius (Eugen Moebius) | Actor, Director | 1904 - 1911 | 5 | |
| Mitschkowski, Arthur | Arthur Mitschkowski (Arthur Mitschkowski) | Actor | 1904 - 1910 | 4 | |
| Miethke, Otto | Otto Miethke (Otto Miethke) | Actor | 1904 - 1928 | 15 | |
| Martin, Frida | Frida Martin (Frida Martin) | Actor | 1904 | 1 | |
| Mertens, Tea | Tea Mertens (Tea Mertens) | Actor | 1904 | 1 | |
| Marr, Paul | Paul Marr (Paul Marr) | Actor | 1905 - 1906 | 3 | |
| Müller, Alex | Alex Müller (Alex Müller) | Actor | 1905 - 1912 | 6 | |
| Matthes, Oskar | Oskar Matthes (Oskar Matthes) | Actor | 1905 | 1 | |
| Meisel, Clara | Clara Meisel (Clara Meisel) | Actor | 1905 | 1 | |
| Mühlberg, Herbert | Herbert Mühlberg (Herbert Mühlberg) | Actor | 1905 - 1906 | 3 | |
| Manny, Henriette | Henriette Manny (Henriette Manny) | Actor | 1905 | 1 | |
| Meinhardt, Felix | Felix Meinhardt (Felix Meinhardt) | Actor | 1905 | 2 | |
| Mischke, Hans | Hans Mischke (Hans Mischke) | Actor | 1901 - 1905 | 2 | |
| Mahnke, Carl | Carl Mahnke (Carl Mahnke) | Actor | 1905 - 1923 | 3 | |
| Menner, Otto | Otto Menner (Otto Menner) | Actor | 1905 | 2 | |
| Martersteig, Eva | Eva Martersteig (Eva Martersteig) | Actor | 1905 | 1 | |
| Madesky, Herbert | Herbert Madesky (Herbert Madesky) | Actor | 1905 | 1 | |
| Menge, - | - Menge (- Menge) | Actor | 1905 - 1916 | 3 | |
| Marr, Anna | Anna Marr (Anna Marr) | Actor | 1905 | 1 | |
| Mothes, Max | Max Mothes (Max Mothes) | Actor | 1896 - 1905 | 2 | |
| Moscow, Mr. | Mr. Moscow (Mr. Moscow) | Actor | 1906 | 1 | |
| Mehlhorn, Mr. | Mr. Mehlhorn (Mr. Mehlhorn) | Actor | 1906 | 1 | |
| Metzger, Elsa | Elsa Metzger (Elsa Metzger) | Actor | 1906 | 1 | |
| Moissi, Alexander | Alexander Moissi (Alexander Moissi) | Actor | 1906 - 1934 | 36 | |
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