| Maranto, Mark, Christopher | Mark Christopher Maranto | Actor | 1980 | 1 | |
| Marshall, William, Horace | William Horace Marshall | Actor | 1980 | 2 | |
| McGreevy, Barbara | Barbara McGreevy | Actor | 1980 | 1 | |
| Mink, David | David Mink | Actor | 1980 | 2 | |
| Munro, Claude | Claude Munro | Designer | 1980 | 1 | |
| Moore, Andrew | Andrew Moore | Actor | 1980 | 2 | |
| Mosher, Gregory | Gregory Mosher | Director | 1980 | 2 | |
| Maude-Roxby, Roddy | Roddy Maude-Roxby | Actor | 2012 | 1 | |
| Mantle, Doreen | Doreen Mantle | Actor | 1975 - 2011 | 2 | |
| Minegishi, Ryoko | Ryoko Minegishi | Actor | 1994 | 1 | |
| Morrison, Conall | Conall Morrison | Director | 2000 - 2003 | 2 | |
| Milner, Roger | Roger Milner | Actor | 1980 | 1 | |
| MacHugh, Melanie | Melanie MacHugh | Actor | 2000 | 1 | |
| Marcell, Joseph | Joseph Marcell | Actor | 2000 | 1 | |
| Marlowe, Christopher | Christopher Marlowe | Actor | 1980 | 1 | |
| McIntyre, Colin | Colin McIntyre | Director | 1969 - 1980 | 2 | |
| McKenna, Kathy | Kathy McKenna | Actor | 1980 | 1 | |
| Maclean, Calvin | Calvin Maclean | Director | 1980 | 1 | |
| Maglietta, Maria | Maria Maglietta | Actor, Costume Designer, Designer | 1994 - 1996 | 6 | |
| Molinari, Renata | Renata Molinari | Adaptation | 1994 - 1996 | 2 | |
| Medeiros, Francisco | Francisco Medeiros | Director | 2011 | 1 | |
| Medina, Marcio | Marcio Medina | Costume Designer, Designer | 1990 - 2011 | 3 | |
| Menezes, Tereza | Tereza Menezes | Dramaturg | 2011 | 1 | |
| Milani, Patrizia | Patrizia Milani | Actor | 1994 - 2013 | 18 | |
| Moretti, Maria | Maria Moretti | Actor | 1994 | 2 | |
| Maurina, Franco | Franco Maurina | Composer | 1994 | 2 | |
| Makimura, Mieko | Mieko Makimura | Actor | 1980 | 1 | |
| Mrkvička, Ladislav | Ladislav Mrkvička | Actor | 1994 - 2009 | 6 | |
| Møllegaard, Ole | Ole Møllegaard | Actor | 1997 | 1 | |
| Milling, Peter | Peter Milling | Actor | 1997 | 1 | |
| Michelsen, Peter | Peter Michelsen | Actor | 1997 | 1 | |
| Manni, Mino | Mino Manni | Actor | 1997 - 1998 | 3 | |
| Mombelli, Giulia | Giulia Mombelli | Actor | 1997 - 1998 | 3 | |
| Manousakis, Dionysis | Dionysis Manousakis | Actor | 1994 | 1 | |
| Molén, Axel | Axel Molén | Actor | 1997 | 1 | |
| McCall, Nick | Nick McCall | Lighting Designer | 1993 - 1994 | 2 | |
| Moravec, Miroslav | Miroslav Moravec | Actor | 1995 | 1 | |
| Marshall, Rachael | Rachael Marshall | Actor | 1997 | 1 | |
| Motta, Litzajaya | Litzajaya Motta | Adaptation, Designer, Director | 1997 | 3 | |
| Mikol, Jürgen | Jürgen Mikol | Actor | 1994 | 1 | |
| Mikiver, Tõnu | Tõnu Mikiver | Actor | 1978 - 1997 | 5 | |
| Mikiver, Carmen | Carmen Mikiver | Actor | 1997 | 1 | |
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