| Albertazzi, Giorgio | Giorgio Albertazzi | Actor, Adaptation | 1950 - 1980 | 11 | |
| Amin, Nora | Nora Amin | Actor, Adaptation, Choreographer, Designer, Director, Dramaturg | 2009 - 2013 | 68 | 1 |
| Arun, Ila | Ila Arun | Actor, Adaptation, Composer, Costume Designer, Director, Musical Director, Producer | 2010 - 2018 | 44 | |
| Amici, Marcello | Marcello Amici | Actor, Adaptation, Designer, Director | 1995 | 4 | |
| Altnöder, Gustav | Gustav Altnöder | Actor, Adaptation, Director | 1937 - 1949 | 4 | |
| Alfsen, Knut | Knut Alfsen | Actor, Adaptation, Director | 1978 - 1993 | 44 | 1 |
| Al Basha, Kamel | Kamel Al Basha | Actor, Adaptation, Director | 2006 - 2008 | 14 | |
| Agashe, Rasika | Rasika Agashe | Actor, Adaptation, Director | 2015 | 3 | |
| Arve, Michael, H. | Michael H. Arve | Actor, Adaptation, Director | 2008 | 3 | |
| Avenstroup, Tone | Tone Avenstroup | Actor, Adaptation, Director, Dramaturg | 1985 - 1999 | 75 | 1 |
| Argyropoulou, Yota | Yota Argyropoulou | Actor, Adaptation, Dramaturg | 2014 - 2018 | 8 | |
| Arslan, Aslı | Aslı Arslan | Actor, Assistant Director | 2008 | 2 | |
| Arnautović, Faruk | Faruk Arnautović | Actor, Assistant Director | 1979 - 1983 | 3 | |
| Assif, Sanae | Sanae Assif | Actor, Assistant Director | 2021 | 4 | |
| Andreadi, Katerina | Katerina Andreadi | Actor, Assistant Director, Director | 1928 - 1956 | 52 | |
| Abrahamsen, Nicolai | Nicolai Abrahamsen | Actor, Composer | 2003 - 2011 | 2 | |
| Atkinson, Alan | Alan Atkinson | Actor, Composer | 1964 | 2 | |
| Aguirre, Nicolás | Nicolás Aguirre | Actor, Composer | 2011 - 2013 | 20 | |
| Aksenov, Vsevolod. | Vsevolod Aksenov | Actor, Composer | 1954 | 2 | |
| Adler, Michelle | Michelle Adler | Actor, Costume Designer | 1953 | 2 | |
| Altenborg, Mathilde | Mathilde Altenborg | Actor, Costume Designer | 2009 - 2013 | 5 | |
| Andreassen, Ellen | Ellen Andreassen | Actor, Costume Designer | 1979 - 2015 | 53 | 1 |
| Alnerius, Pia | Pia Alnerius | Actor, Costume Designer | 1995 | 4 | |
| Abouzelof, Sarah | Sarah Abouzelof | Actor, Costume Designer | 2015 | 3 | |
| Aniagolu, Amaka | Amaka Aniagolu | Actor, Costume Designer | 2002 | 2 | |
| Ahonen, Riina | Riina Ahonen | Actor, Costume Designer, Designer | 1967 - 2000 | 3 | |
| Amaral, Domitilla | Domitilla Amaral | Actor, Costume Designer, Designer | 1957 | 3 | 1 |
| Auerswald, Jaroslav | Jaroslav Auerswald | Actor, Costume Designer, Designer, Director | 1912 - 1928 | 14 | |
| Alexiou, Nikos | Nikos Alexiou | Actor, Costume Designer, Designer, Lighting Designer | 1991 - 2010 | 4 | 1 |
| Avdelioti, Androniki | Androniki Avdelioti (Ανδρονίκη Αβδελιώτη) | Actor, Costume Designer, Director | 2023 | 3 | |
| Andrea | Andrea - | Actor, Dancer | 2003 | 3 | |
| Arnia, Sara | Sara Arnia | Actor, Dancer | 1959 - 1975 | 7 | |
| Aebischer, Katrin | Katrin Aebischer | Actor, Dancer | 1997 - 2005 | 6 | |
| Alfsen, Merete | Merete Alfsen | Actor, Dancer | 1969 | 2 | |
| Aciobăniţei, Brânduşa | Brânduşa Aciobăniţei | Actor, Dancer | 2005 | 3 | |
| Anneminne, Ingalill | Ingalill Anneminne | Actor, Dancer | 1959 | 4 | |
| Atkinson, Joyce | Joyce Atkinson | Actor, Dancer | 1954 | 2 | |
| Altın, Arslan | Arslan Altın | Actor, Dancer | 1956 | 2 | |
| Alm, Kristian | Kristian Alm | Actor, Dancer | 2017 - 2020 | 5 | 1 |
| Aguilar, Eloy | Eloy Aguilar | Actor, Dancer | 2012 - 2020 | 4 | |
| Adeney, Eric | Eric Adeney | Actor, Designer | 1911 - 1943 | 5 | |
| Antonelli, Aureliano | Aureliano Antonelli | Actor, Designer | 1987 - 1990 | 4 | |
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