| Marcilly, Marie, | Marie Marcilly | Actor | 1899 | 1 | |
| Matrat, -, | - Matrat | Actor | 1899 | 1 | |
| Maggi, Mr., | Mr. Maggi | Actor | 1899 | 1 | |
| Mayr, Ludwig, | Ludwig Mayr | Actor | 1899 | 2 | |
| Manz, Richard | Richard Manz | Actor | 1899 | 1 | |
| Mayer, Mizi | Mizi Mayer | Actor | 1899 | 1 | |
| Muller, Franz | Franz Muller | Actor | 1899 | 1 | |
| Muller, - | - Muller | Actor | 1899 | 1 | |
| Martin, Paul | Paul Martin | Actor | 1899 | 1 | |
| McAllister, Phosa | Phosa McAllister | Actor | 1899 | 1 | |
| Mimi, kl. | kl. Mimi | Actor | 1899 | 1 | |
| Meyer, Frieda | Frieda Meyer | Actor | 1898 – 1923 | 7 | |
| Manning, Dr. Philipp, | Philipp Manning (Dr. Philipp Manning) | Actor, Director | 1898 – 1921 | 21 | |
| Meyer, Grete, | Grete Meyer | Actor | 1898 – 1913 | 5 | |
| Maltana, Elsa, | Elsa Maltana | Actor | 1898 – 1913 | 8 | |
| Müller, Agnes, | Agnes Müller | Actor | 1898 – 1906 | 7 | |
| Marer, Johannes, | Johannes Marer | Actor | 1898 – 1899 | 1 | |
| Marx, Emil, | Emil Marx | Actor, Director | 1898 | 3 | |
| Masi, Giuseppe, | Giuseppe Masi | Actor | 1898 | 5 | |
| Mehrer, Frk., | Frk. Mehrer | Actor | 1898 | 1 | |
| Mühlhofer, Hans, | Hans Mühlhofer | Actor | 1898 | 8 | |
| Mendelssohn, Arnold Ludwig, | Arnold Ludwig Mendelssohn | Composer | 1898 | 1 | |
| Milau, -, | - Milau | Actor | 1898 | 1 | |
| Mühlbach, Frk., | Frk. Mühlbach | Actor | 1898 | 1 | |
| Meinert, Else, | Else Meinert | Actor | 1898 | 1 | |
| Malsy, Mr., | Mr. Malsy | Actor | 1898 | 1 | |
| Mora, Illa, | Illa Mora | Actor | 1898 | 1 | |
| Meskhishvili, Lado | Lado Meskhishvili | Actor, Director | 1898 | 2 | |
| Medelsky, Lotte, | Lotte Medelsky | Actor | 1897 – 1931 | 18 | |
| Matějovský, František, | František Matějovský | Actor | 1897 – 1920 | 2 | |
| Monnard, Heinz, | Heinz Monnard | Actor | 1897 – 1912 | 20 | |
| Marikou, Amalia, | Amalia Marikou | Actor | 1897 – 1910 | 9 | |
| Müller, Ludvig, | Ludvig Müller | Actor, Director | 1897 – 1909 | 19 | 1 |
| MacDonnell, Flora, | Flora MacDonnell | Actor | 1897 – 1904 | 2 | |
| Max, Ludwig, | Ludwig Max | Actor | 1897 – 1899 | 3 | |
| Milo, Ms., | Ms. Milo | Actor | 1897 – 1899 | 1 | |
| Michaelis, Ruscha, | Ruscha Michaelis | Actor | 1897 | 2 | |
| Müller, Lina, | Lina Müller | Actor | 1897 | 1 | |
| Mathiesen, Anna, | Anna Mathiesen | Actor | 1897 | 12 | |
| Milbitz, -, | - Milbitz | Actor | 1897 | 1 | |
| Muceniece, Otīlija, | Otīlija Muceniece | Actor, Director | 1897 | 11 | |
| Marner, Egon, | Egon Marner | Actor | 1897 | 1 | |
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