| Mannheim, Lucie | Lucie Mannheim | Actor, Producer | 1928 - 1948 | 5 | 2 |
| Moore, Meriel | Meriel Moore | Actor | 1928 - 1948 | 4 | |
| MacLiammóir, Micheál | Micheál MacLiammóir | Actor, Costume Designer, Designer | 1928 - 1955 | 20 | 1 |
| Meixner, Karl | Karl Meixner | Actor | 1928 - 1975 | 4 | |
| Murase, Sachiko | Sachiko Murase | Actor | 1928 - 1976 | 3 | |
| Minotis, Alexis | Alexis Minotis | Actor, Director | 1928 - 1979 | 32 | 1 |
| Maurstad, Tordis | Tordis Maurstad | Actor | 1928 - 2006 | 18 | 1 |
| Morrow, Helen | Helen Morrow | Actor | 1929 | 3 | |
| Merrill, William Way | William Way Merrill | Actor | 1929 | 1 | |
| Mauer-Ferchland, Helene | Helene Mauer-Ferchland | Actor | 1929 | 1 | |
| Mundorf, Paul | Paul Mundorf | Actor | 1929 | 1 | |
| Marx, Elsa | Elsa Marx | Actor | 1929 | 1 | |
| Metaxa, M. | M. Metaxa | Actor | 1929 | 1 | |
| Mieze, Elīzabete | Elīzabete Mieze | Actor | 1929 | 1 | |
| Meličková, Hanča | Hanča Meličková | Actor | 1929 | 1 | |
| Malimánek, Hanuš | Hanuš Malimánek | Actor | 1929 | 1 | |
| Madison, Joan | Joan Madison | Actor | 1929 | 1 | |
| Miller, Marjorie | Marjorie Miller | Actor | 1929 | 1 | |
| Murray, Harold | Harold Murray | Actor | 1929 | 1 | |
| Mitchell, Norval | Norval Mitchell | Actor | 1929 | 1 | |
| Medenhall, John | John Medenhall | Actor | 1929 | 1 | |
| McGrath, Byron | Byron McGrath | Actor | 1929 | 1 | |
| Muscan, Liviu | Liviu Muscan | Actor | 1929 | 2 | |
| Melișeanu, Gh. | Gh. Melișeanu | Actor | 1929 | 1 | |
| Milland, Ray | Ray Milland | Actor | 1929 | 1 | |
| Marriott, Moore | Moore Marriott | Actor | 1929 | 1 | |
| Melnalksnis, Augusts | Augusts Melnalksnis | Translator | 1929 - 1956 | 2 | |
| Maschetti, Johann | Johann Maschetti | Actor | 1930 | 1 | |
| Murillo, Concepción | Concepción Murillo | Actor | 1930 | 1 | |
| Moran, John | John Moran | Actor | 1930 | 1 | |
| McNaught, Peggy | Peggy McNaught | Actor | 1930 | 1 | |
| Meredith, Catherine | Catherine Meredith | Actor | 1930 | 1 | |
| Morgan, Cedric | Cedric Morgan | Actor | 1930 | 1 | |
| McLean, Lorna | Lorna McLean | Actor, Choreographer | 1930 | 2 | |
| MacMillan, Ernest | Ernest MacMillan | Conductor, Musical Director | 1930 | 2 | |
| Mazzoleni, Ettore | Ettore Mazzoleni | Musical Director | 1930 | 1 | |
| Mitchell, Heasel | Heasel Mitchell | Actor | 1930 | 1 | |
| Mallett, Fred | Fred Mallett | Actor | 1930 | 1 | |
| Mayer, Kató | Kató Mayer | Actor | 1930 | 1 | |
| Müller, Éva | Éva Müller | Actor | 1930 | 1 | |
| Mertens, Hanne | Hanne Mertens | Actor | 1930 - 1944 | 3 | |
| Marsellou, Nelli | Nelli Marsellou | Actor | 1930 - 1945 | 4 | |
|
|
