| 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 | |
| Mees, Siegbert | Friedrich Siegbert Mees | Conductor | 1926 - 1938 | 2 | |
| McMahon, Gregan | Gregan McMahon | Actor, Producer | 1926 - 1933 | 4 | |
| Malcolm, Roy | Roy Malcolm | Actor | 1926 - 1930 | 3 | |
| Moulton, Harold | Harold Moulton | Actor | 1926 - 1929 | 3 | |
| Miersch, Marianne | Marianne Miersch | Actor | 1926 - 1928 | 3 | 1 |
| McNutt, Patterson | Patterson McNutt | Producer | 1926 - 1927 | 7 | |
| Masson, William C. | William C. Masson | Actor | 1926 - 1927 | 6 | |
| Montgomery, Marcia Abbe | Marcia Abbe Montgomery | Actor | 1926 | 1 | |
| Moitelle, Ferry | Ferry Moitelle | Actor | 1926 | 2 | |
| Minauf, Willi | Willi Minauf | Actor | 1926 | 2 | |
| Müller-Berany, Richard | Richard Müller-Berany | Actor | 1926 | 1 | |
| Minzlaff, Georg | Georg Minzlaff | Actor | 1926 | 1 | |
| Madaus, Gerda | Gerda Madaus | Actor | 1926 | 1 | |
| Mindell, Fania | Fania Mindell | Costume Designer | 1926 | 1 | |
| Menken, Helen | Helen Menken | Actor | 1926 | 1 | |
| Mitchell, Mrs. | Mrs. Mitchell | Actor | 1926 | 1 | |
| Matthews, Ross | Ross Matthews | Actor | 1926 | 1 | |
| Morris, Ann | Ann Morris | Actor | 1926 | 1 | |
| Matthews, George | George Matthews | Actor | 1926 | 1 | |
| Macsherry, Josette | Josette Macsherry | Actor | 1926 | 1 | |
| Møller, Jenny | Jenny Møller | Choreographer | 1926 | 1 | |
| Mennerich, Adolf | Adolf Mennerich | Conductor | 1926 | 1 | |
| Meyer, Johannes | Johannes Meyer | Actor | 1925 - 2004 | 25 | 1 |
| Müller, Renate | Renate Müller | Actor, Costume Designer | 1925 - 1987 | 6 | |
| Malmquist, Sandro | Sandro Malmquist | Designer, Director, Translator | 1925 - 1961 | 93 | 1 |
| Márkus, László | László Márkus | Designer, Director, Translator | 1925 - 1948 | 3 | |
| McArthur, Molly | Molly McArthur | Actor, Costume Designer, Designer | 1925 - 1946 | 6 | |
| Maruyama, Sadao | Sadao Maruyama | Actor, Director | 1925 - 1936 | 4 | |
| Mihalesco, Mr. | Mr. Mihalesco | Actor | 1925 - 1934 | 4 | |
| Morley, Malcolm | Malcolm Morley | Actor, Designer, Director | 1925 - 1933 | 10 | |
| Miklósy, Margit | Margit Miklósy | Actor | 1925 - 1933 | 4 | |
| Martinčević, Joso | Joso Martinčević | Actor | 1925 - 1933 | 2 | |
| Mielziner, Jo | Jo Mielziner | Costume Designer, Designer | 1925 - 1932 | 5 | |
| Maude, Joan | Joan Maude | Actor | 1925 - 1932 | 3 | |
| Mell, Marie | Marie Mell | Actor | 1925 - 1930 | 7 | |
| Milton, Ernest | Ernest Milton | Actor, Director | 1925 - 1930 | 8 | 1 |
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