| Arpagaus, Remo | Remo Arpagaus | Actor | 1995 | 2 | |
| Augustin, Maurus | Maurus Augustin | Designer | 1995 | 2 | |
| Aehlig, Sylke | Sylke Aehlig | Mask Maker | 2002 | 1 | |
| Arpe, Johannes | Johannes Arpe | Actor | 2006 | 3 | |
| Andres, Debbie | Debbie Andres | Actor | 1969 | 1 | |
| Annenkov, H. | H. Annenkov | Actor | 1969 | 1 | |
| Atterbury, John | John Atterbury | Actor | 2005 | 1 | |
| Austin, Neil | Neil Austin | Lighting Designer | 2005 - 2009 | 4 | |
| Arata, Greg | Greg Arata | Actor | 1998 | 2 | |
| Acton, Wallace | Wallace Acton | Actor | 1998 | 2 | |
| Antell, Mats | Mats Antell | Lighting Designer | 2014 | 1 | |
| Aronovitch, Richard | Richard Aronovitch | Actor | 1998 | 1 | |
| Argyropoulou, Yota | Yota Argyropoulou | Actor, Adaptation, Dramaturg | 2014 - 2018 | 8 | |
| Argyropoulou, Ourania | Ourania Argyropoulou | Musical Director | 2015 | 1 | |
| Apostolaki, Despina | Despina Apostolaki | Actor | 2015 | 1 | |
| Ambrose, Stuart | Stuart Ambrose | Actor | 1998 | 1 | |
| Ammerman, John | John Ammerman | Actor | 1998 - 1999 | 2 | |
| Anmar, Berit | Berit Anmar | Dramaturg | 1978 - 1991 | 22 | |
| Abear, Samantha | Samantha Abear | Actor | 2014 | 1 | |
| Armstrong, Will Steven | Will Steven Armstrong | Costume Designer, Designer | 1960 - 1969 | 3 | |
| Abbott, Loretta | Loretta Abbott | Actor | 1969 | 1 | |
| Augustin, Anita | Anita Augustin | Adaptation, Dramaturg | 2014 | 2 | |
| Alex, Hildegard | Hildegard Alex | Actor | 1997 | 7 | |
| Angermayr, Daniel | Daniel Angermayr | Designer | 2014 | 1 | |
| Aldous, Robert | Robert Aldous | Actor | 1997 - 1998 | 4 | |
| Anthony, Kay | Kay Anthony | Designer | 1997 | 1 | |
| Arteaga, Beatriz | Beatriz Arteaga | Costume Designer, Designer | 1997 | 2 | |
| Artaud, Vincent | Vincent Artaud | Composer | 2014 | 6 | |
| Arquillué, Pere | Pere Arquillué | Actor | 2014 | 1 | |
| Apilánez, Blanca | Blanca Apilánez | Actor | 2014 | 1 | |
| Arco, Miguel del | Miguel del Arco | Adaptation, Director | 2014 | 2 | |
| Atkins, Tracey | Tracey Atkins | Actor | 1997 | 1 | |
| Aleshchenko, Alina | Alina Aleshchenko | Producer | 2014 | 1 | |
| Aceti, Massimiliano | Massimiliano Aceti | Actor | 2013 - 2014 | 4 | |
| Altenburger, Fanny | Fanny Altenburger | Actor | 2013 | 1 | |
| Arrouas, Johanna | Johanna Arrouas | Actor | 2013 | 1 | |
| Ahlin, Agneta | Agneta Ahlin | Actor | 2013 | 1 | |
| Alfsen, Merete | Merete Alfsen | Actor, Dancer | 1969 | 2 | |
| Agdestein, Sjur | Sjur Agdestein | Dancer | 1969 | 1 | |
| Aase, Laila | Laila Aase | Dancer | 1969 | 1 | |
| Alho, Heikki | Heikki Alho | Actor | 1969 | 1 | |
| Amort, Robert | Robert Amort | Actor | 1997 | 1 | |
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