| Mathiesen, Anna | Anna Mathiesen (Anna Mathiesen) | Actor | 1897 | 12 | |
| Milbitz, - | - Milbitz (- Milbitz) | Actor | 1897 | 1 | |
| Matějovský, František | František Matějovský (František Matějovský) | Actor | 1897 - 1920 | 2 | |
| Muceniece, Otīlija | Otīlija Muceniece (Otīlija Muceniece) | Actor, Director | 1897 - 1923 | 11 | |
| Max, Ludwig | Ludwig Max (Ludwig Max) | Actor | 1897 - 1903 | 3 | |
| Milo, Ms. | Ms. Milo (Ms. Milo) | Actor | 1897 | 1 | |
| Marner, Egon | Egon Marner (Egon Marner) | Actor | 1897 | 1 | |
| Maupas, Marguerite | Marguerite Maupas (Marguerite Maupas) | Actor | 1897 | 1 | |
| MacDonnell, Flora | Flora MacDonnell (Flora MacDonnell) | Actor | 1897 - 1904 | 2 | |
| Mahood, J.W. | J. W. Mahood (J.W. Mahood) | Actor | 1897 | 1 | |
| Maddock, Lily | Lily Maddock (Lily Maddock) | Actor | 1897 | 1 | |
| Maddock, S.W. | S. W. Maddock (S.W. Maddock) | Actor | 1897 | 1 | |
| Marikou, Amalia | Amalia Marikou (Amalia Marikou) | Actor | 1897 - 1916 | 9 | |
| Maier, Anja | Anja Maier (Anja Maier) | Costume Designer | 2004 - 2006 | 4 | |
| Meckbach, Eva | Eva Meckbach (Eva Meckbach) | Actor | 2012 - 2019 | 42 | |
| Mehrer, Frk. | Frk. Mehrer (Frk. Mehrer) | Actor | 1898 | 1 | |
| Mühlhofer, Hans | Hans Mühlhofer (Hans Mühlhofer) | Actor | 1898 - 1926 | 8 | |
| Mendelssohn, Arnold Ludwig | Arnold Ludwig Mendelssohn (Arnold Ludwig Mendelssohn) | Composer | 1898 | 1 | |
| Meyer-Eigen, August | August Meyer-Eigen (August Meyer-Eigen) | Actor | 1889 - 1902 | 5 | |
| Meyer, Grete | Grete Meyer (Grete Meyer) | Actor | 1898 - 1917 | 5 | |
| Milau, - | - Milau (- Milau) | Actor | 1898 | 1 | |
| Marer, Johannes | Johannes Marer (Johannes Marer) | Actor | 1898 | 1 | |
| Mühlbach, Frk. | Frk. Mühlbach (Frk. Mühlbach) | Actor | 1898 | 1 | |
| Meinert, Else | Else Meinert | Actor | 1898 | 1 | |
| Malsy, Mr. | Mr. Malsy (Mr. Malsy) | Actor | 1898 | 1 | |
| Maltana, Elsa | Elsa Maltana (Elsa Maltana) | Actor | 1898 - 1913 | 8 | |
| Mora, Illa | Illa Mora (Illa Mora) | Actor | 1898 | 1 | |
| Małkowski, - | - Małkowski (- Małkowski) | Actor | 1899 | 1 | |
| Miro, - | - Miro (- Miro) | Actor | 1899 | 1 | |
| Moes, Janina Żarska | Janina Żarska Moes (Janina Żarska Moes) | Actor | 1899 | 1 | |
| Marini, L. | L. Marini (L. Marini) | Actor | 1899 | 1 | |
| Moskvin, Ivan | Ivan Moskvin (Ivan Moskvin) | Actor | 1899 - 1924 | 9 | |
| Mastoropoulou, Agathoniki | Agathoniki Mastoropoulou (Agathoniki Mastoropoulou) | Actor | 1899 | 1 | |
| Majchrzycka, Wanda | Wanda Majchrzycka (Wanda Majchrzycka) | Actor | 1899 - 1905 | 2 | |
| Mikulski, Józef | Józef Mikulski (Józef Mikulski) | Actor | 1899 - 1911 | 3 | |
| Mayer, Mizzi | Mizzi Mayer (Mizzi Mayer) | Actor | 1899 | 1 | |
| Madsen, Carl | Carl Madsen (Carl Madsen) | Actor | 1899 - 1904 | 12 | |
| Marcilly, Marie | Marie Marcilly (Marie Marcilly) | Actor | 1899 | 1 | |
| Matrat, - | - Matrat (- Matrat) | Actor | 1899 | 1 | |
| Maggi, Mr. | Mr. Maggi (Mr. Maggi) | Actor | 1899 | 1 | |
| Marrené-Morzkowska, Waleria | Waleria Marrené-Morzkowska (Waleria Marrené-Morzkowska) | Translator | 1899 - 1958 | 14 | |
| Mayer, Hans | Hans Mayer (Hans Mayer) | Actor | 1900 - 1902 | 8 | |
|
|
