| Mucchiano, Pia | Pia Mucchiano | Actor | 1991 - 1993 | 15 | |
| Mucaj, Bislim | Bislim Mucaj | Actor | 2013 - 2015 | 3 | |
| Mubashir, Noman | Noman Mubashir (Noman Mubashir) | Actor | 2006 | 1 | 2 |
| Mubarack, André | André Mubarack | Actor | 2004 - 2005 | 5 | |
| Mu, Baisuo | Baisuo Mu | Designer | 1983 | 1 | |
| Mtambo, Watupa | Watupa Mtambo (Watupa Mtambo) | Actor | 2006 | 23 | |
| Mtalika, Henry | Henry Mtalika (Henry Mtalika) | Actor | 2006 | 23 | |
| Msuku, Bennie | Bennie Msuku (Bennie Msuku) | Actor | 2006 | 22 | |
| Mrsán, János | János Mrsán | Director | 1983 | 1 | |
| Mrozowska, Zofia | Zofia Mrozowska | Actor | 1975 | 1 | |
| Mrozowska, Jadwiga | Jadwiga Mrozowska (Jadwiga Mrozowska) | Actor | 1902 - 1906 | 2 | |
| Mrozek, Artur | Artur Mrozek | Actor | 2015 | 1 | |
| Mrozek, A. J. | A. J. Mrozek | Actor | 2006 | 3 | |
| Mrowiec, Dagmara | Dagmara Mrowiec | Actor | 2010 | 1 | |
| Mroczkowski, (?) | (?) Mroczkowski ((?) Mroczkowski) | Actor | 1918 | 1 | |
| Mroczkowska, Helena | Helena Mroczkowska | Actor | 1911 | 1 | |
| Mroch, Mike | Mike Mroch | Designer | 2011 - 2014 | 2 | |
| Mrkvička, Otakar | Otakar Mrkvička | Costume Designer, Designer | 1933 | 2 | |
| Mrkvička, Ladislav | Ladislav Mrkvička | Actor | 1994 - 2009 | 6 | |
| Mrkša, Karlo | Karlo Mrkša | Composer | 2021 | 1 | |
| Mridha, Erfan | Erfan Mridha | Actor | 2004 | 2 | |
| Mrđen, Lovro | Lovro Mrđen | Video Designer | 2021 | 1 | |
| Mrázková, Vĕra | Vĕra Mrázková | Actor | 1969 - 1991 | 2 | |
| Mraschner, Hanns | Hanns Mraschner | Actor | 1909 | 1 | |
| Mramor, Walter | Walter Mramor | Actor | 1981 | 1 | |
| Mrakitsch, Matthias | Matthias Mrakitsch (Matthias Mrakitsch) | Actor | 1940 | 1 | |
| Mrak, Hans | Hans Mrak | Dramaturg | 2005 - 2008 | 2 | |
| Mr. Bové | Mr. Bové | Actor | 1913 | 1 | |
| Mpofu, Sarah | Sarah Mpofu | | | | |
| Mphepo, Jasen | Jasen Mphepo | Actor | 2011 | 1 | |
| Mpelies, Errikos | Errikos Mpelies | Translator | 2014 | 1 | |
| Møystad, Ole | Ole Møystad | Actor | 1978 | 8 | |
| Mørland, Nils Petter | Nils Petter Mørland (Nils Petter Mørland) | Actor | 2006 | 1 | |
| Mørk, Thomas | Thomas Mørk | Actor | 1993 | 1 | |
| Mørk, Morten | Morten Mørk | Actor | 1981 | 1 | |
| Mørk, Erik | Erik Mørk | Actor | 1951 - 2004 | 15 | |
| Mørk-Eidem, Alexander | Alexander Mørk-Eidem (Alexander Mørk-Eidem) | Actor, Adaptation, Designer, Director | 1991 - 2016 | 32 | 1 |
| Mørck, Aage | Aage Mørck (Aage Mørck) | Actor | 1915 | 1 | |
| Mørch, Gabriel | Gabriel Mørch | Actor | 1944 | 1 | |
| Mønness, Ragnhild Arnestad | Ragnhild Arnestad Mønness (Ragnhild Arnestad Mønness) | Actor | 2009 - 2017 | 6 | 1 |
| Mølmen, Andrea Kristine | Andrea Kristine Mølmen (Andrea Kristine Mølmen) | Actor | 2012 | 1 | |
| Møller, Winni | Winni Møller | Costume Designer | 2000 | 1 | |
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