| Abdulla, Zahir | Zahir Abdulla | Director, Dramaturg | 2013 - 2014 | 6 | |
| Albery, Tim | Tim Albery | Director, Lighting Designer | 1974 - 1984 | 2 | |
| Adamson, Eve | Eve Adamson | Director, Lighting Designer | 1991 - 2004 | 5 | 1 |
| Aladro, Carlos | Carlos Aladro | Director, Lighting Designer | 2007 - 2022 | 3 | |
| Allen, Robert | Robert Allen | Director, Producer | 1952 - 2001 | 3 | |
| Amiri, Mehdi | Mehdi Amiri | Director, Producer | 2015 | 2 | |
| Almond, Paul | Paul Almond | Director, Producer | 1955 - 1966 | 3 | |
| Antypas, Antonis | Antonis Antypas | Director, Translator | 1991 - 2004 | 3 | 1 |
| Amble, Kjell | Kjell Amble | Director, Translator | 1966 - 1982 | 3 | 1 |
| Armenis, Karolos | Karolos Armenis | Director, Translator | 2014 - 2015 | 4 | |
| Anzai, Tetsuo | Tetsuo Anzai | Director, Translator | 1997 - 2006 | 4 | 1 |
| Apolo, Ignacio | Ignacio Apolo | Dramaturg | 2001 | 1 | |
| Abrash, Victoria | Victoria Abrash | Dramaturg | 1993 | 1 | |
| Anders, Sonja | Sonja Anders | Dramaturg | 1998 - 2014 | 18 | 1 |
| Ameur, Karim | Karim Ameur | Dramaturg | 1995 | 1 | |
| Anmar, Berit | Berit Anmar | Dramaturg | 1978 - 1991 | 22 | |
| Arnold, Peter | Peter Arnold | Dramaturg | 2002 - 2004 | 33 | |
| Alexandridis, Christina | Christina Alexandridis | Dramaturg | 2000 - 2002 | 3 | |
| Apelt, Martin | Martin Apelt | Dramaturg | 2001 | 1 | |
| Augustin-Huber, Anita | Anita Augustin-Huber | Dramaturg | 2003 | 2 | |
| Abody, Rita | Rita Abody | Dramaturg | 2015 | 1 | |
| Ailloud-Nicolas, Catherine | Catherine Ailloud-Nicolas | Dramaturg | 2007 - 2022 | 11 | |
| Abbrederis, Susanne | Susanne Abbrederis | Dramaturg | 2008 | 1 | |
| Althoff, Alexandra | Alexandra Althoff | Dramaturg | 2009 - 2010 | 4 | |
| Ashley, - | - Ashley | Dramaturg | 2009 - 2012 | 3 | |
| Aronsson, Katarina | Katarina Aronsson | Dramaturg | 2011 | 1 | |
| Ammicht, Marion | Marion Ammicht | Dramaturg | 2016 | 1 | |
| Angelopoulos, Michaela | Michaela Angelopoulos | Dramaturg | 2012 | 1 | |
| Acuna, Gregor | Gregor Acuna | Dramaturg | 2017 - 2022 | 2 | |
| Ammann, Hans J. | Hans J. Ammann | Dramaturg | 1999 | 1 | |
| Anğay, Mukaddes | Mukaddes Anğay | Dramaturg | 2017 | 1 | |
| Arndt, Neena | Neena Arndt | Dramaturg | 2018 | 1 | |
| Aktemur, Gökhan | Gökhan Aktemur | Dramaturg | 2018 | 1 | |
| Asboth, Matthias | Matthias Asboth | Dramaturg | 2022 | 1 | |
| Akesson, Hans | Hans Akesson | Lighting Designer | 1989 - 1991 | 3 | |
| Adamson, Peter | Peter Adamson | Lighting Designer | 1960 | 1 | |
| Atkinson, Teresa | Teresa Atkinson | Lighting Designer | 1984 | 1 | |
| Andersson, Ronny | Ronny Andersson | Lighting Designer | 1988 - 1996 | 5 | |
| Asami, Hiroaki | Hiroaki Asami | Lighting Designer | 1998 - 2006 | 11 | |
| Anazawa, Kimio | Kimio Anazawa | Lighting Designer | 1940 - 1968 | 8 | |
| Arthur, Reece | Reece Arthur | Lighting Designer | 2011 | 1 | |
| Andersson, Peter | Peter Andersson | Lighting Designer | 1993 | 42 | |
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