| Allingham, Anthony | Anthony Allingham | Actor | 1959 | 1 | |
| Alcaide, Antonio | Antonio Alcaide | Actor | 1962 | 1 | |
| Andronidis, Vasilis | Vasilis Andronidis | Actor | 1963 | 1 | |
| Armbruster, Sybille | Sybille Armbruster | Actor | 1966 | 1 | |
| Aldrete L., Guillermo | Guillermo Aldrete L. | Designer | 1980 | 1 | |
| Aldrete, Rosita | Rosita Aldrete | Actor | 1980 | 1 | |
| Aldrete Jr., Willy | Willy Aldrete Jr. | Actor | 1980 | 1 | |
| Armenis, Fotis | Fotis Armenis | Actor | 1980 - 1984 | 4 | |
| Arellano, Sonia, Salúm | Sonia Salúm Arellano | Actor | 1981 | 1 | |
| Anselm, Axel | Axel Anselm | Actor | 1977 - 1983 | 2 | |
| Auvien, Ari | Ari Auvinen | Lighting Designer | 1983 | 1 | |
| Anousaki, Malaina | Malaina Anousaki | Actor | 1984 | 1 | |
| Armstrong, Eileen | Eileen Armstrong | Designer | 1984 | 1 | |
| Asimakopoulos, Takis | Takis Asimakopoulos | Actor | 1965 - 1986 | 3 | |
| Antoniadi, Koula | Koula Antoniadi | Director | 1985 | 9 | |
| Ackermann, Marie | Marie Ackermann | Actor | 1889 | 1 | |
| Adam, Maria | Maria Adam | Translator | 1990 - 2012 | 6 | |
| Aielli, Roberto | Roberto Aielli | Actor | 1992 - 2011 | 3 | |
| Ahmed, Mansur | Mansur Ahmed | Costume Designer, Designer | 1993 | 2 | |
| Ashraf-uz-Zaman, - | - Ashraf-uz-Zaman | Actor | 1993 | 1 | |
| Aleksieva, Vjara | Vjara Aleksieva | Actor | 1993 | 1 | |
| Arens, Babett | Babett Arens | Actor, Director | 1983 - 2012 | 22 | |
| Ashwell, Wesley | Wesley Ashwell | Actor | 1983 | 1 | |
| Allendorf, Reinhard | Reinhard Allendorf | Actor | 1983 | 1 | |
| Anger, Peter | Peter Anger | Actor | 1983 | 1 | |
| Angelov, Kiril | Kiril Angelov | Actor | 1994 | 1 | |
| Allen, Michael | Michael Allen | Actor | 1994 | 1 | |
| Antoniadou, Sofia | Sofia Antoniadou | Choreographer | 1995 | 16 | |
| Ačko, Herman | Herman Ačko | Actor | 1983 | 1 | |
| Anderhub, Jean-Paul | Jean-Paul Anderhub | Director | 1983 | 2 | |
| Axelsson, Anne-Christine | Anne-Christine Axelsson | Costume Designer | 1998 | 1 | |
| Ahlstedt, Klas | Klas Ahlstedt | Actor | 1998 | 1 | |
| Aronoff, Ethan | Ethan Aronoff | Actor | 1998 | 1 | |
| Ameh, Samuel | Samuel Ameh | Actor | 2006 | 1 | |
| Antwi-Boasiako, Felicia | Felicia Antwi-Boasiako | Actor | 2006 | 1 | |
| Asiedu, Joyce | Joyce Asiedu | Actor | 2006 | 1 | |
| Appiah-Agyemang, Ken | Ken Appiah-Agyemang | Actor | 2006 | 1 | |
| Acosta, Martín | Martín Acosta | Adaptation, Designer, Director | 2006 - 2007 | 3 | |
| Al Jubeh, Muaz | Muaz Al Jubeh | Lighting Designer | 2008 | 6 | |
| Al Basha, Kamel | Kamel Al Basha | Actor, Adaptation, Director | 2006 - 2008 | 14 | |
| Awad, Manal | Manal Awad | Actor | 2008 | 6 | |
| Artemova, Larisa | Larisa Artemova | | | | |
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