| Marschall, Gona | Gona Marschall | Actor | 1917 | 1 | |
| Maylor, Ella | Ella Maylor | Actor | 1917 | 1 | |
| Manstedt, Frl. | Frl. Manstedt | Actor | 1917 | 1 | |
| Monee, Erna | Erna Monee | Actor | 1917 | 1 | |
| Malaka, Oscar | Oscar Malaka | Conductor | 1917 | 1 | |
| McLaren, C. | C. McLaren | Conductor | 1917 | 1 | |
| Mitrović, Hela | Hela Mitrović | Actor | 1917 | 1 | |
| Mađarić, Đuro | Đuro Mađarić | Actor | 1917 | 1 | |
| Muršić, Marija | Marija Muršić | Actor | 1917 | 1 | |
| MacCormack, Katherine | Katherine MacCormack | Actor | 1917 - 1918 | 2 | |
| Martínez Sierra, María | María Martínez Sierra | Adaptation, Translator | 1917 - 1926 | 22 | |
| Middelboe, Ingeborg, | Ingeborg Middelboe | Actor | 1917 - 1928 | 2 | |
| Malberg, Henrik, | Henrik Malberg | Actor | 1917 - 1934 | 4 | |
| Molnár, Rózsi V., | Rózsi V. Molnár (Rózsi V. Molnár) | Actor | 1918 | 1 | |
| Melcher, Otto, | Otto Melcher | Actor | 1918 | 1 | |
| Michl, Frieda, | Frieda Michl | Actor | 1918 | 1 | |
| Maack, Frk., | Frk. Maack | Actor | 1918 | 5 | |
| Maack, Mr., | Mr. Maack | Actor | 1918 | 1 | |
| Maack, Fr., | Fr. Maack | Actor | 1918 | 1 | |
| Mörike, Annemarie, | Annemarie Mörike | Actor | 1918 | 3 | |
| Menzel, Arthur, | Arthur Menzel | Actor | 1918 | 2 | |
| Maukwitz, Otto, | Otto Maukwitz | Actor | 1918 | 1 | |
| Müller, Condi, | Condi Müller | Actor | 1918 | 1 | |
| Mroczkowski, (?), | (?) Mroczkowski | Actor | 1918 | 1 | |
| Mirecka, E., | E. Mirecka | 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 | |
| Mangan, Conal | Conal Mangan | Actor | 1918 | 1 | |
| MacDonagh, John | John MacDonagh | Actor | 1918 | 1 | |
| Massingham, Dorothy | Dorothy Massingham | Actor | 1918 | 1 | |
| Maigne, Charles | Charles Maigne | Adaptation | 1918 | 1 | |
| Maihoff, Lotte | Lotte Maihoff | Actor | 1918 | 1 | |
| Merz, ?, | ? Merz | Actor | 1918 - 1920 | 2 | |
| Müller, Rolf, | Rolf Müller | Actor | 1918 - 1944 | 5 | |
| Mari, Febo | Febo Mari | Actor, Director | 1919 | 2 | |
| Mordeglia, Nietta | Nietta Mordeglia | Actor | 1919 | 1 | |
| Manhart, T., | T. Manhart | Actor | 1919 | 1 | |
| Mandler, Gertrud, | Gertrud Mandler | Actor | 1919 | 1 | |
| Mullo, -, | - Mullo | Actor | 1919 | 1 | |
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Contributors
