| Mariani, Guido | Guido Mariani | Lighting Designer | 1973 - 1974 | 2 | |
| Mason, Marsha | Marsha Mason | Actor | 1973 | 1 | |
| Masson, Ernst | Ernst Masson | Designer | 1973 | 1 | |
| Menzel, Heinz | Heinz Menzel | Actor | 1973 | 1 | |
| Musik, Reinhard | Reinhard Musik | Actor | 1973 | 1 | |
| Mockus, Anthony | Anthony Mockus | Actor | 1973 | 1 | |
| Morigi, Alice Gealy | Alice Gealy Morigi | Costume Designer | 1973 | 1 | |
| Matĕjíček, Jiří | Jiří Matĕjíček | Dramaturg | 1973 | 1 | |
| Müller-Kopp, Bert | Bert Müller-Kopp | Actor | 1973 | 1 | |
| Mönch, Peter | Peter Mönch | Actor | 1973 | 1 | |
| Moser, Charlotte | Charlotte Moser | Actor | 1973 | 1 | |
| Mackey, Karl | Karl Mackey | Director | 1973 | 1 | |
| Marsh, Ric | Ric Marsh | Actor, Designer | 1973 | 2 | |
| Martin, W.T. | W. T. Martin | Actor | 1973 | 1 | |
| McLain, John | John McLain | Lighting Designer | 1973 | 1 | |
| Maurer, Beatrice | Beatrice Maurer | Actor | 1973 | 1 | |
| Manikowsky, Georg von | Georg von Manikowsky | Actor | 1973 | 1 | |
| Moll, Willy | Willy Moll | Actor | 1973 | 1 | |
| Mason, Margery | Margery Mason | Actor | 1973 | 1 | |
| Makarska, Teresa | Teresa Makarska | Actor | 1973 | 1 | |
| May, Andrzej | Andrzej May | Actor | 1973 | 1 | |
| May, Ena | Ena May | Actor | 1973 | 1 | |
| Metzner, Hildegard | Hildegard Metzner | Actor | 1973 | 1 | |
| Madden, Sharon | Sharon Madden | Actor | 1973 | 1 | |
| Matisová, Gita | Gita Matisová | Costume Designer | 1973 | 1 | |
| Machoninová, Lenka | Lenka Machoninová | Actor | 1973 | 1 | |
| Miller, Jan | Jan Miller | Actor | 1973 | 1 | |
| Marin (Marian), Mircea | Mircea Marin (Marian) | Director | 1973 | 1 | |
| Mandric, Emil | Emil Mandric | Director | 1973 | 1 | |
| Marinescu-Kanya, Marina | Marina Marinescu-Kanya | Actor | 1973 | 1 | |
| Michaïlidis, Andreas | Andreas Michaïlidis | Actor | 1973 | 7 | |
| Maiocco, Marcia | Marcia Maiocco | Actor | 1973 | 1 | |
| Monro, Don | Don Monro | Actor | 1973 | 1 | |
| Musil, Miloslav | Miloslav Musil | Actor | 1973 | 1 | |
| Mavroeidi-Papadaki, Sofia | Sofia Mavroeidi-Papadaki | Translator | 1973 | 1 | |
| Mertens, Klaus | Klaus Mertens | Actor | 1973 | 2 | |
| Müller, K.- D. | K.- D. Müller | Actor | 1973 | 2 | |
| Merkel, Harry | Harry Merkel | Actor | 1973 | 1 | |
| Mercuri, Mariano | Mariano Mercuri | Designer | 1973 | 1 | |
| Mattia Giorgetti, Mario | Mario Mattia Giorgetti | Actor | 1973 | 1 | |
| Murzin, Mihail, Vasiljevič | Mihail Vasiljevič Murzin | Designer | 1973 | 1 | |
| Mercer, David | David Mercer | Adaptation | 1973 | 1 | |
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