| Mazzanti, Ettore | Ettore Mazzanti | Actor | 1891 - 1907 | 21 | 1 |
| Mazzarella, Carlo | Carlo Mazzarella | Actor | 1948 | 1 | |
| Mazzarelli, - | - Mazzarelli | Actor | 1999 | 1 | |
| Mazzarelli, Victoria | Victoria Mazzarelli | Actor | 2003 - 2005 | 4 | |
| Mazzarino, Giulia | Giulia Mazzarino | Actor | 2022 | 1 | |
| Mazzella, Patrick | Patrick Mazzella | Actor | 2013 | 1 | |
| Mazzinghi, Bernard | Bernard Mazzinghi | Actor | 2009 - 2010 | 5 | |
| Mazzini, Annunziata | Annunziata Mazzini | Actor | 1903 - 1908 | 21 | |
| Mazzocca, Ida | Ida Mazzocca | Actor | 1892 - 1899 | 7 | |
| Mazzocchetti, Germano | Germano Mazzocchetti | Composer | 1993 - 2019 | 21 | |
| Mazzocchi Alemanni, Fiamma | Fiamma Mazzocchi Alemanni | Designer | 2010 | 1 | |
| Mazzoleni, Ettore | Ettore Mazzoleni | Musical Director | 1930 | 1 | |
| Mazzoni, Franca | Franca Mazzoni | Actor | 1940 | 1 | |
| Mazzullo, Elisabetta | Elisabetta Mazzullo | Actor | 2023 | 1 | |
| Mæhlum, Thea | Thea Mæhlum | Lighting Designer | 2016 | 1 | |
| Mæland, Harald | Harald Mæland | Musician | 1983 | 1 | |
| Mæle, Harald | Harald Mæle | Actor | 1986 | 1 | |
| Mærli, Ragnhild | Ragnhild Mærli | Adaptation, Dramaturg | 1994 - 2008 | 19 | 2 |
| Mærli, Terje | Terje Mærli | Adaptation, Director, Producer | 1973 - 2007 | 221 | 2 |
| Mbatha-Raw, Gugu | Gugu Mbatha-Raw | Actor | 2003 | 2 | |
| Mbaya, Vincent | Vincent Mbaya | Actor | 2005 | 1 | |
| Mbaye, Ablaye | Ablaye Mbaye | Actor | 2021 | 5 | |
| Mbewe, Mbumba | Mbumba Mbewe | Actor | 2006 | 23 | 1 |
| Mbikulu, Destinée | Destinée Mbikulu | Actor | 2018 - 2021 | 20 | |
| Mbuende, Willy | Willy Mbuende | Actor | 1975 | 1 | |
| Mbugua, Ian | Ian Mbugua | Director | 2006 | 1 | |
| Mc Laughlin, Richard | Richard Mc Laughlin | Designer | 1987 | 1 | |
| McAfee, Hailey | Hailey McAfee | Director | 2023 | 1 | |
| McAfee, Mallory | Mallory McAfee | | | | |
| McAlear, Nancy | Nancy McAlear | Actor | 1996 | 1 | |
| McAleer, Lucy | Lucy McAleer | Actor | 1953 | 1 | |
| McAlister, Evelyn | Evelyn McAlister | Actor | 1983 | 2 | |
| McAlister, Michael | Michael McAlister | Actor | 2009 | 2 | |
| McAllaster, James | James McAllaster | Actor | 1932 | 1 | |
| McAllister, Amy | Amy McAllister | Actor | 2008 | 1 | 1 |
| McAllister, Jennifer | Jennifer McAllister | Actor | 2010 | 1 | |
| McAllister, Peter | Peter McAllister | Director | 2004 | 5 | |
| McAllister, Phosa | Phosa McAllister | Actor | 1899 | 1 | |
| McAllister, Sandra | Sandra McAllister | Actor | 1985 | 1 | |
| McAlpin, Deryk | Deryk McAlpin | | | | 2 |
| McAnally, Ray | Ray McAnally | Actor | 1982 | 1 | |
| McAnarney, Jenny | Jenny McAnarney | Actor | 2018 | 1 | |
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