| McNutt, Patterson | Patterson McNutt | Producer | 1926 - 1927 | 7 | |
| Masson, William C. | William C. Masson | Actor | 1926 - 1927 | 6 | |
| Miersch, Marianne | Marianne Miersch | Actor | 1926 - 1928 | 3 | |
| Moulton, Harold | Harold Moulton | Actor | 1926 - 1929 | 3 | |
| Malcolm, Roy | Roy Malcolm | Actor | 1926 - 1930 | 3 | |
| McMahon, Gregan | Gregan McMahon | Actor, Producer | 1926 - 1933 | 4 | |
| Mees, Siegbert | Friedrich Siegbert Mees | Conductor | 1926 - 1938 | 2 | |
| Mohr, Willibald | Willibald Mohr | Actor | 1927 | 1 | |
| Marc, Alfred | Alfred Marc | Actor | 1927 | 1 | |
| Moral, Erich | Erich Moral | Actor | 1927 | 1 | |
| Miller, Antha | Antha Miller | Actor | 1927 | 1 | |
| Maloberti, Tiziana | Tiziana Maloberti | Actor | 1927 | 1 | |
| Martini, Rodolfo | Rodolfo Martini | Actor | 1927 | 1 | |
| Miskey, Jenő | Jenő Miskey | Actor | 1927 | 1 | |
| Maland, Ernest | Ernest Maland | Actor | 1927 | 1 | |
| Mork, Joseph | Joseph Mork | Actor | 1927 | 1 | |
| Meade, Caroline | Caroline Meade | Actor | 1927 | 1 | |
| Maximilian, Velimir Vladimir | Velimir Vladimir Maximilian | Actor | 1927 | 1 | |
| Mohor, Maria | Maria Mohor | Actor | 1927 | 1 | |
| Mester, Sándor | Sándor Mester | Actor | 1927 | 1 | |
| Miskey, József | József Miskey | Actor, Director | 1927 - 1928 | 7 | |
| Mihályi, Mária | Mária Mihályi | Actor | 1927 - 1928 | 10 | |
| Maczonkai, József | József Maczonkai | Actor | 1927 - 1928 | 9 | |
| Melina, Michał | Michał Melina | Actor | 1927 - 1928 | 2 | |
| Mágori, Dóra | Dóra Mágori | Actor | 1927 - 1935 | 38 | |
| Moore, Mabel | Mabel Moore | Actor | 1927 - 1937 | 3 | |
| Mikes, Lajos | Lajos Mikes | Translator | 1927 - 1944 | 4 | |
| Mitchell, Robert | Robert Mitchell | Actor, Designer, Director | 1927 - 1951 | 8 | |
| Marks, Eduard | Eduard Marks | Actor, Director | 1927 - 1956 | 5 | |
| McCracken, Everett | Everett McCracken | Composer | 1928 | 2 | |
| McWilliams, Jack | Jack McWilliams | Actor | 1928 | 2 | |
| Mihalesco, Alexandre | Alexandre Mihalesco | Actor | 1928 | 1 | |
| Moore, Eva Mae | Eva Mae Moore | Actor | 1928 | 2 | |
| Mewes, Hilde | Hilde Mewes | Actor | 1928 | 1 | |
| Markus, Elisabeth | Elisabeth Markus | Actor | 1928 | 1 | |
| Musil, Erich | Erich Musil | Actor | 1928 | 3 | |
| Mendelssohn, Eleonora | Eleonora Mendelssohn | Actor | 1928 | 1 | |
| Möller, Martha | Martha Möller | Actor | 1928 | 2 | |
| Mentges, Lou | Lou Mentges | Actor | 1928 | 1 | |
| Mangår, Erling | Erling Mangår | Actor | 1928 | 1 | |
| Merlyn, Anne | Anne Merlyn | Actor | 1928 | 1 | |
| Myrdahl, Johannes | Johannes Myrdahl | Actor | 1928 | 2 | |
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