| Matějovská, Ludmila, | Ludmila Matějovská | Actor | 1905 - 1910 | 3 | |
| Meech, Owen, | Owen Meech | Actor | 1905 - 1910 | 4 | |
| Müller, Alex, | Alex Müller | Actor | 1905 - 1912 | 6 | |
| Monnard, Lina, | Lina Monnard | Actor | 1905 - 1912 | 9 | |
| Mariański, Marian, | Marian Mariański | Actor | 1905 - 1912 | 2 | |
| Meunier, Maurice, | Maurice Meunier | Actor | 1905 - 1914 | 2 | |
| Menge, -, | - Menge | Actor | 1905 - 1916 | 3 | |
| Mierlauks, Aleksis, | Aleksis Mierlauks | Actor, Director | 1905 - 1921 | 7 | |
| Mahnke, Carl, | Carl Mahnke | Actor | 1905 - 1923 | 3 | |
| Marx, Paul, | Paul Marx | Actor | 1905 - 1933 | 20 | |
| Metternich, Matthias, | Matthias Metternich | Actor | 1905 - 1933 | 6 | |
| Mayer, Maria, | Maria Mayer | Actor | 1905 - 1942 | 25 | |
| Moscow, Mr., | Mr. Moscow | Actor | 1906 | 1 | |
| Mehlhorn, Mr., | Mr. Mehlhorn | Actor | 1906 | 1 | |
| Metzger, Elsa, | Elsa Metzger | Actor | 1906 | 1 | |
| Majewski, Hans, | Hans Majewski | Actor | 1906 | 2 | |
| Massin, -, | - Massin | Actor | 1906 | 2 | |
| Mirskaya, -, | - Mirskaya | Actor | 1906 | 2 | |
| Møller, Julie, | Julie Møller | Actor | 1906 | 1 | |
| Marot, -, | - Marot | Actor | 1906 | 1 | |
| Marjeroni, George, | George Marjeroni | Actor | 1906 | 2 | |
| Munt, E. M., | E. M. Munt (E. M. Munt) | Actor | 1906 | 1 | |
| Młodowska, (?), | (?) Młodowska | Actor | 1906 | 1 | |
| Marscha, Max | Max Marscha | Actor | 1906 | 1 | |
| Maddern, Mrs. Will | Mrs. Will Maddern | Actor | 1906 | 1 | |
| Marshall, Carrol | Carrol Marshall | Actor | 1906 | 1 | |
| Marey, Jacques | Jacques Marey | Actor | 1906 | 1 | |
| Marschall, Helene | Helene Marschall | Actor | 1906 | 1 | |
| Meinski, Mizzi | Mizzi Meinski | Actor | 1906 | 1 | |
| Matuna, Karl | Karl Matuna | Actor | 1906 | 1 | |
| Manning, Emma Ogden | Emma Ogden Manning | Actor | 1906 | 1 | |
| Mejerchol'd, Vsevolod Ė., | Vsevolod Ė. Mejerchol'd (Vsevolod Ė. Mejerchol'd) | Director | 1906 - 1907 | 2 | |
| Miller, Henry, | Henry Miller | Director | 1906 - 1907 | 5 | |
| Magnus, Cecil, | Cecil Magnus | Actor | 1906 - 1907 | 6 | |
| MacDermott, Marc, | Marc MacDermott | Actor | 1906 - 1907 | 12 | |
| Mendelssohn, Gordon, | Gordon Mendelssohn | Actor | 1906 - 1907 | 6 | |
| MacDonald, George, | George MacDonald | Actor | 1906 - 1907 | 4 | |
| Maude, Arthur | Arthur Maude | Actor | 1906 - 1907 | 2 | |
| Martin, Jacques, | Jacques Martin | Actor | 1906 - 1909 | 15 | |
| Moustakas, Konstantinos, | Konstantinos Moustakas | Actor | 1906 - 1909 | 4 | |
| Moret, Henriette, | Henriette Moret | Actor | 1906 - 1911 | 10 | |
| Moser, Emil, | Emil Moser | Actor | 1906 - 1916 | 6 | |
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