| Molnár, József | József Molnár | Actor | 1920 - 1924 | 2 | |
| Molnár, János | János Molnár | Actor | 1920 - 1924 | 3 | |
| Mole, Vojeslav | Vojeslav Mole | Translator | 1920 - 1923 | 3 | 1 |
| Muscan, Gr. | Gr. Muscan | Actor | 1920 - 1923 | 4 | |
| Minichini, I. | I. Minichini | Actor | 1920 | 1 | |
| Minichini, S. | S. Minichini | Actor | 1920 | 1 | |
| Minichini, M. | M. Minichini | Actor | 1920 | 1 | |
| May, Gustav | Gustav May | Actor | 1920 | 1 | |
| Maschke, Gretel | Gretel Maschke | Actor | 1920 | 1 | |
| Metge, Leni | Leni Metge | Actor | 1920 | 1 | |
| Martini, Mortimer | Mortimer Martini | Actor | 1920 | 4 | |
| Martin, Knut | Knut Martin | Actor | 1920 | 1 | |
| Mycot, - | - Mycot | Actor | 1920 | 1 | |
| Martinec, Miloš | Miloš Martinec | Actor | 1920 | 1 | |
| Mansfeld, František (Otto) | František (Otto) Mansfeld | Actor | 1920 | 1 | |
| Morris, Leland, C. | Leland C. Morris | Actor | 1920 | 1 | |
| Münch, Josef | Josef Münch | Director | 1920 | 1 | |
| Majdrowiczówna, Maria | Maria Majdrowiczówna | Actor | 1920 | 1 | |
| Maliszewski, Józef | Józef Maliszewski | Actor | 1920 | 1 | |
| Maszyński, Mariusz | Mariusz Maszyński | Actor | 1920 | 1 | |
| Mantecón, Francisco | Francisco Mantecón | Actor | 1920 | 1 | |
| Morano, Francisco | Francisco Morano | Actor | 1920 | 1 | |
| Merighi, Alda | Alda Merighi | Actor | 1920 | 1 | |
| Mihályi, Ernő | Ernő Mihályi | Actor | 1919 - 1944 | 2 | |
| Mennenga, Jan | Jan Mennenga | Actor | 1919 - 1938 | 3 | |
| Morţun, Ion | Ion Morţun | Actor | 1919 - 1928 | 5 | |
| Meißner, Friederike | Friederike Meißner | Actor | 1919 - 1924 | 3 | |
| Möbius, Paula | Paula Möbius | Actor | 1919 - 1922 | 3 | |
| Majthényi, László | László Majthényi | Actor, Director | 1919 - 1921 | 3 | |
| Maltana-Scharschmidt, Else | Else Maltana-Scharschmidt | Actor | 1919 - 1920 | 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 | |
| Melvyl, - | - Melvyl | Actor | 1919 | 1 | |
| Mathaus, Willi | Willi Mathaus | Actor | 1919 | 1 | |
| Meißner, Lilli | Lilli Meißner | Actor | 1919 | 1 | |
| Mayer, Karl | Karl Mayer | Conductor | 1919 | 1 | |
| Merten, Bernh. | Bernh. Merten | Conductor | 1919 | 1 | |
| Meißner, Hoffkapellmester | Hoffkapellmester Meißner | Conductor | 1919 | 1 | |
| Merrall, Mary | Mary Merrall | Actor | 1918 - 1972 | 5 | |
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