| Okkerse, Nico | Nico Okkerse | Actor | 1987 | 1 | |
| Ohl, Jürgen | Jürgen Ohl | Actor | 1988 | 1 | |
| Opitz, E. | E. Opitz | Actor | 1990 | 1 | |
| Otis, James | James Otis | Actor | 1991 | 1 | |
| Olsson, Ecke | Ecke Olsson | Actor | 1990 | 1 | |
| Onofri, Stefano | Stefano Onofri | Actor | 1991 | 1 | |
| Olson, Stephan | Stephan Olson | Designer | 1990 | 1 | |
| Otter, Karl | Karl Otter | Actor | 1990 | 1 | |
| Olschewski, Gerhard | Gerhard Olschewski | Actor | 1990 | 1 | |
| O´Byrne, Louis | Louis O´Byrne | Designer | 1991 | 1 | |
| Omundson, Timothy | Timothy Omundson | Actor | 1990 | 1 | |
| Ormsby, Robert | Robert Ormsby | Actor | 1991 | 1 | |
| Ormerod, Nick | Nick Ormerod | Designer | 1990 | 1 | 1 |
| Okamoto, Kennichi | Kennichi Okamoto | Actor | 1990 | 1 | |
| Ohki, Yu | Yu Ohki | Actor | 1990 | 1 | |
| Olsen, Trevor H. | Trevor H. Olsen | Actor | 1991 | 1 | 1 |
| Olivere, Marc | Marc Olivere | Lighting Designer | 1992 | 1 | |
| Otto, Gabriele | Gabriele Otto | Dramaturg | 1992 | 1 | |
| Oosthoek, Peter | Peter Oosthoek | Actor | 1992 | 1 | |
| Ospelt, Ingo | Ingo Ospelt | Actor | 1992 | 1 | |
| Ogle, Natalie | Natalie Ogle | Actor | 1988 | 1 | 1 |
| Olich, Michael | Michael Olich | Costume Designer | 1992 | 1 | |
| Ozoliņa, Lilita | Lilita Ozoliņa | Actor | 1992 | 1 | |
| Obermann, Frank | Frank Obermann | Actor | 1991 | 1 | |
| Otto, Annie | Annie Otto | Actor | 1992 | 1 | |
| Opitz, Gerd | Gerd Opitz | Actor | 1988 | 1 | |
| Oimori, Reiko | Reiko Oimori | Actor | 1992 | 1 | |
| Ouwehand, Roos | Roos Ouwehand | Actor | 1992 | 1 | |
| Offermans, Sylvia | Sylvia Offermans | Actor | 1992 | 1 | |
| O'Neill, Molly | Molly O'Neill | Actor | 1993 | 1 | |
| Oswald, David | David Oswald | Director | 1993 | 1 | |
| Oswald, Birgit | Birgit Oswald | Actor | 1993 | 1 | |
| O'Brien, Tony | Tony O'Brien | Actor | 1993 | 1 | |
| Okazaki, Shinobu | Shinobu Okazaki | Designer | 1991 | 1 | |
| Ohsawa, Kaoru | Kaoru Ohsawa | Lighting Designer | 1991 | 1 | |
| Obrecht, Urs | Urs Obrecht | Actor | 1991 | 1 | |
| Overloop, Veerle van | Veerle van Overloop | Actor | 1993 | 1 | |
| Ollinger, Hans | Hans Ollinger | Actor | 1993 | 1 | |
| Orthmann, Ruth | Ruth Orthmann | Translator | 1994 | 1 | 1 |
| Ortmayr, Heinrich | Heinrich Ortmayr | Actor | 1982 | 1 | |
| Okhlupin, Igor | Igor Okhlupin (Игорь Охлупин) | Actor | 2013 | 1 | |
| Olszewska, Izabella | Izabella Olszewska | Actor | 1994 | 1 | |
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