| Macfarlane, Peter | Peter Macfarlane | Actor | 1928 | 1 | |
| Mathiesen, Erik | Erik Mathiesen | Actor | 1928 | 1 | |
| Mac Craken, A., M. | A. M. Mac Craken | Actor | 1928 | 1 | |
| Maxfield, Fru A., A. | Fru A. A. Maxfield | Costume Designer | 1928 | 2 | |
| McFedries, Sherman | Sherman McFedries | Actor | 1928 | 2 | |
| Malberg, Ellen | Ellen Malberg | Actor | 1928 | 1 | |
| Mathisen, Svanhild | Svanhild Mathisen | Actor | 1928 | 3 | |
| Moe, Gunhild | Gunhild Moe | Actor | 1928 | 1 | |
| Metsä, Viljo | Viljo Metsä | Actor | 1928 | 1 | |
| Meyjes, Walter | Walter Meyjes | Actor | 1928 | 1 | |
| Murray, Warren, E. | Warren E. Murray | Actor | 1928 | 1 | |
| Maisch, Herbert | Herbert Maisch | Director | 1928 | 1 | |
| Mitschke-Collande, von | Contstantin von Mitschke-Collande | Designer | 1928 | 1 | |
| Mika, Viktor | Viktor Mika | Actor | 1928 | 1 | |
| Monthy, Geo | Geo Monthy | Actor | 1928 | 1 | |
| Möbes, Hans | Hans Möbes | Actor | 1928 | 1 | |
| McDonald, H.A. | H.A. McDonald | Actor | 1928 | 1 | |
| Mundy, N. | N. Mundy | Musician | 1928 | 1 | |
| Möderl, Friedl | Friedl Möderl | Actor | 1928 | 1 | |
| Mazarekówna, Stanisława | Stanisława Mazarekówna | Actor | 1928 | 1 | |
| Modrzewski, Henryk | Henryk Modrzewski | Actor | 1928 | 1 | |
| Mousouris, Kostas | Kostas Mousouris | Actor | 1928 - 1929 | 2 | |
| Membrives, Lola | Lola Membrives | Actor | 1928 - 1929 | 9 | 1 |
| Monroe, Frank | Frank Monroe | Actor | 1928 - 1929 | 3 | |
| Marzolf, Leslie | Leslie Marzolf | Costume Designer, Designer | 1928 - 1929 | 4 | |
| Menefee, Richard | Richard Menefee | Actor, Director | 1928 - 1929 | 3 | |
| McDermid, Finlay | Finlay McDermid | Actor | 1928 - 1929 | 3 | |
| Mihályfi, Béla | Béla Mihályfi | Actor | 1928 - 1932 | 3 | |
| Melly, - | - Melly | Actor | 1928 - 1932 | 9 | |
| Mátl, Konstantin | Konstantin Mátl | Actor | 1928 - 1933 | 5 | |
| Marlé, Arnold | Arnold Marlé | Actor | 1928 - 1934 | 3 | |
| Miholjčan, Tomo | Tomo Miholjčan | Actor | 1928 - 1934 | 2 | |
| Meyerer, Anna | Anna Meyerer | Actor | 1928 - 1937 | 3 | |
| Markgraf, Aenne | Aenne Markgraf | Actor | 1928 - 1938 | 3 | |
| Maisch, Elisabeth | Elisabeth Maisch | Actor | 1928 - 1941 | 3 | |
| 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 |
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