| Matthews, Cameron | Cameron Matthews | Actor | 1917 | 1 | |
| MacDonagh, Joseph | Joseph MacDonagh | Actor | 1917 | 1 | |
| Mac an Bhaird, Art | Art Mac an Bhaird | Actor | 1917 | 1 | |
| Mazurkiewicz, Tadeusz | Tadeusz Mazurkiewicz | Musical Director | 1917 | 1 | |
| 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 | |
| MacCormack, Katherine | Katherine MacCormack | Actor | 1917 - 1918 | 2 | |
| 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 | 4 | |
| 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 | |
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Contributors
