| Morandini, Luisa | Luisa Morandini | Actor, Adaptation, Director, Lighting Designer | 1987 | 4 | |
| Mortana, Rossana | Rossana Mortana | Actor | 2012 | 2 | |
| Maldonado, Andrès Arce | Andrès Arce Maldonado | Designer, Director | 2014 | 2 | |
| Masserano Taricco, Pietro | Pietro Masserano Taricco | Director | 1956 - 1962 | 2 | |
| Maino, Gin | Gin Maino | Actor | 1962 | 1 | |
| Martello, Amalia | Amalia Martello | Actor | 1962 | 1 | |
| Modugno, Ludovica | Ludovica Modugno | Actor | 1962 | 1 | |
| Monaci, Piero | Piero Monaci | Translator | 1971 | 1 | |
| Mirra, Alessandra | Alessandra Mirra | Actor | 2021 | 1 | |
| Maghini, Ruggero | Ruggero Maghini | Conductor | 1971 | 1 | |
| Morelli, Rina | Rina Morelli | Actor | 1971 | 1 | |
| Mainardi, Renato | Renato Mainardi | Adaptation | 1972 | 1 | |
| Meriç, Bahar | Bahar Meriç | Choreographer | 2024 | 2 | |
| Migliaccio, Luigi | Luigi Migliaccio | Director | 2017 | 1 | |
| Mariscotti, Fiamma | Fiamma Mariscotti | Actor, Costume Designer | 2015 - 2019 | 5 | |
| Marziali, Alessandro | Alessandro Marziali | Designer, Lighting Designer | 2015 | 4 | |
| Mulinacci, Thomas | Thomas Mulinacci | Composer | 2015 | 2 | |
| Margio, Ugo | Ugo Margio | Director | 1986 | 1 | |
| Martucci, Tiziana | Tiziana Martucci | Actor | 2019 - 2023 | 10 | |
| Marsili, Simone | Simone Marsili | Designer | 1997 | 1 | |
| Mezzetti, Alessandra | Alessandra Mezzetti | Actor | 1997 | 1 | |
| Mola, Pietro | Pietro Mola | Actor | 1999 | 1 | |
| Meneghello, Enrico | Enrico Meneghello | Actor | 1999 | 1 | |
| Magazzini, Filippo | Filippo Magazzini | Actor | 2006 | 2 | |
| Marini, Filippo | Filippo Marini | Actor | 2008 | 1 | |
| Militello, Flavia | Flavia Militello | Actor | 2008 | 1 | |
| Mikhailova, Elizaveta | Elizaveta Mikhailova | Actor | 2024 | 1 | |
| Marasco, Luigi | Luigi Marasco | Actor | 2015 | 1 | |
| Milite, Mario | Mario Milite | Actor | 2015 | 1 | |
| Mugnaini, Giovanni | Giovanni Mugnaini | Actor | 2015 | 1 | |
| Melegari, Alessandra | Alessandra Melegari | Actor | 2016 | 1 | |
| Maniezzi, Massimo | Massimo Maniezzi | Assistant Director | 2024 | 1 | |
| Mattalia, Marta | Marta Mattalia | Actor, Composer | 2013 | 8 | |
| Massa, Ilenia | Ilenia Massa | Actor | 2013 | 4 | |
| Mazzantini, Anna | Anna Mazzantini | Actor | 2014 | 1 | |
| Martino, Sara Lavinia | Sara Lavinia Martino | Actor | 2014 | 1 | |
| Mirani, Massimo | Massimo Mirani | Actor | 2014 | 1 | |
| Mangione, Andrea | Andrea Mangione | Actor | 2009 | 1 | |
| Migliorati, Bianca | Bianca Migliorati | Choreographer | 2014 | 3 | |
| Mastroianni, Stefania | Stefania Mastroianni | Actor | 2024 | 1 | |
| Macolino, Giuseppe | Giuseppe Macolino | Actor | 2024 | 1 | |
| Macchiarola, Samanta Leila | Samanta Leila Macchiarola | Actor | 2022 | 1 | |
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