| Albert, Richard | Richard Albert | Director | 1991 | 1 | 1 |
| Adeilinis, Nikos | Nikos Adeilinis | Costume Designer | 1991 | 1 | |
| Achitz, Roman | Roman Achitz | Actor | 1991 | 1 | |
| Alonso, José | José Alonso | Actor | 1991 | 1 | 1 |
| Armand, Gisken, | Gisken Armand | Actor | 1990 - 2021 | 110 | 1 |
| Alcaide, Luis | Luis Alcaide | Lighting Designer | 1990 - 2020 | 4 | |
| Altmann, Olaf | Olaf Altmann | Costume Designer, Designer | 1990 - 2019 | 19 | |
| Adam, Maria | Maria Adam | Translator | 1990 - 2012 | 6 | |
| Abraham, Peter | Peter Abraham | Actor | 1990 - 2010 | 2 | |
| Akerø, Ketil, | Ketil Akerø | Designer, Lighting Designer | 1990 - 2000 | 13 | |
| Almqvist-Lovén, Monica | Monica Almqvist-Lovén | Actor | 1990 - 2000 | 2 | |
| Aicher , Marius | Marius Aicher | Actor | 1990 - 1995 | 3 | 1 |
| Allen, Sybil, | Sybil Allen | Actor | 1990 - 1994 | 7 | |
| Assing, Christoph | Christoph Assing | Actor | 1990 - 1992 | 2 | |
| Andersen, Torstein, | Torstein Andersen | Actor | 1990 - 1992 | 2 | |
| Alm, Anders | Anders Alm | Composer | 1990 - 1992 | 20 | |
| Admiraal, Joop | Joop Admiraal | Actor | 1990 - 1992 | 2 | |
| Albiker, Alexander | Alexander Albiker | Designer | 1990 | 1 | |
| Arai, Mitsugu | Mitsugu Arai | Actor | 1990 | 1 | |
| Archan, Isabella | Isabella Archan | Actor | 1990 | 1 | |
| Anker, Erik, | Erik Anker | Actor | 1990 | 1 | |
| Ashman, Mark | Mark Ashman | Dancer | 1990 | 2 | |
| Albinus, Jens | Jens Albinus | Actor | 1990 | 1 | |
| Andersen, Trine, Tue | Trine Tue Andersen | Actor | 1990 | 1 | 1 |
| Anton, William | William Anton | Actor | 1990 | 1 | |
| Aaslestad, Petter | Petter Aaslestad | Adaptation | 1990 | 1 | 1 |
| Astredo, Humbert , Allen | Humbert Allen Astredo | Actor | 1990 | 1 | 1 |
| Atkinson, Clinton J. | Clinton J. Atkinson | Director | 1990 | 1 | 1 |
| Alben, Adriana | Adriana Alben | Actor | 1990 | 1 | |
| Ansorg, Barbara | Barbara Ansorg | Director | 1990 | 1 | |
| Altmeyer, Arsène | Arsène Altmeyer | Actor | 1990 | 1 | |
| André, Michel | Michel André | Actor | 1990 | 1 | |
| Allaway, Keith | Keith Allaway | Actor | 1990 | 1 | |
| Altmann, Günter | Günter Altmann | Designer | 1990 | 1 | |
| Andersson, Anders | Anders Andersson | Actor | 1990 | 2 | |
| Andersson, Siw-Marie | Siw-Marie Andersson | Actor | 1990 | 2 | |
| Aichinger , Hannes | Hannes Aichinger | Actor | 1990 | 1 | |
| Arditti , Paul | Paul Arditti | Sound Designer | 1990 | 1 | |
| Andersen, Tym | Tym Andersen | Musician | 1990 | 1 | |
| Aerssens, Annemieke | Annemieke Aerssens | Actor | 1990 | 1 | |
| Alfaro, Ilse | Ilse Alfaro | Actor | 1990 | 1 | |
| Anderson, Kerstin | Kerstin Anderson | Choreographer | 1990 | 1 | |
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