| Muszyński, Bolesław, | Bolesław Muszyński | Actor | 1912 | 1 | |
| Machová, Anna, | Anna Machová | Actor | 1913 | 1 | |
| Muszkowski, (?), | (?) Muszkowski | Actor | 1913 | 1 | |
| Miyajima, Fumio, | Fumio Miyajima | Actor | 1914 | 1 | |
| Meers, Ben S., | Ben S. Meers (Ben S. Meers) | Actor | 1914 | 1 | |
| Miura, Hisashi, | Hisashi Miura | Actor | 1914 | 1 | |
| Matsumoto, Yuji, | Yuji Matsumoto | Actor | 1914 | 1 | |
| Mayerhofer, Marie, | Marie Mayerhofer | Actor | 1914 | 1 | |
| Mower, Margaret, | Margaret Mower | Actor | 1916 - 1917 | 2 | |
| Melbarte, A., | A. Melbarte | Actor | 1916 | 1 | |
| Mierkalns, J., | J. Mierkalns | Actor | 1916 | 1 | |
| Magnussøn, Abigael Heber, | Abigael Heber Magnussøn | Actor | 1916 | 2 | |
| Musch, Jan, | Jan Musch | Actor | 1916 | 2 | |
| Mörne, Signe, | Signe Mörne | Actor | 1917 | 1 | |
| Malmlöf, Eric, | Eric Malmlöf | Actor | 1917 | 2 | |
| Mansfield, Alice, | Alice Mansfield | Actor | 1917 | 2 | |
| Markus, Anna, | Anna Markus | Actor | 1917 | 1 | |
| Marsh, Hilda Esty, | Hilda Esty Marsh | Actor | 1917 | 2 | |
| Malberg, Peter, | Peter Malberg | Actor | 1917 | 1 | |
| Malberg, Henrik, | Henrik Malberg | Actor | 1917 - 1934 | 4 | |
| Middelboe, Ingeborg, | Ingeborg Middelboe | Actor | 1917 - 1928 | 2 | |
| Mroczkowski, (?), | (?) Mroczkowski | Actor | 1918 | 1 | |
| Mac, Nila, | Nila Mac | Actor | 1918 | 1 | |
| Murata, Minoru, | Minoru Murata | Actor | 1918 | 1 | |
| Merrall, Mary, | Mary Merrall | Actor | 1918 | 5 | |
| Moraïtis, Nikos, | Nikos Moraïtis | Actor | 1918 | 1 | |
| Mārsietis, Jānis, | Jānis Mārsietis | Actor | 1918 | 8 | |
| Mullo, -, | - Mullo | Actor | 1919 | 1 | |
| Melvyl, -, | - Melvyl | Actor | 1919 | 1 | |
| Martini, Mortimer, | Mortimer Martini | Actor | 1920 | 4 | |
| Molnár, József, | József Molnár | Actor | 1920 | 2 | |
| Miliander, Sven, | Sven Miliander | Actor | 1920 | 6 | |
| Martin, Knut, | Knut Martin | Actor | 1920 | 1 | |
| Mycot, -, | - Mycot | Actor | 1920 | 1 | |
| Mole, Vojeslav, | Vojeslav Mole | Translator | 1920 | 3 | |
| Majthényi, László, | László Majthényi | Actor, Director | 1919 | 3 | |
| Mowinckel, L., | L. Mowinckel | Musical Director | 1924 | 1 | |
| Messiter, Eric, | Eric Messiter | Actor | 1921 | 1 | |
| Myron, J., | J. Myron | Director | 1921 | 1 | |
| McConnell, Frederic, | Frederic McConnell | Director | 1922 | 3 | |
| Merritt, George, | George Merritt | Actor | 1922 | 4 | |
| Marvick, Laurentia, | Laurentia Marvick | Actor | 1922 | 1 | |
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