| Akers, Janice | Janice Akers | Actor, Director | 1999 - 2009 | 2 | |
| Altamura, Michele | Michele Altamura | Actor, Director | 2016 | 8 | |
| Albright, H. Darkes | H. Darkes Albright | Actor, Director | 1932 - 1959 | 5 | 1 |
| Anderson, Leslie | Leslie Anderson | Actor, Director | 1932 - 1957 | 4 | |
| Ankrum, Morris | Morris Ankrum | Actor, Director | 1932 - 1933 | 2 | |
| Allan, Martha | Martha Allan | Actor, Director | 1933 | 4 | |
| Auer, Ludwig | Ludwig Auer | Actor, Director | 1920 | 2 | |
| Adam, Elias | Elias Adam | Actor, Director | 2018 | 2 | |
| Alexander, Camron | Camron Alexander | Actor, Director | 2018 | 2 | |
| Abuba, Ernest | Ernest Abuba | Actor, Director | 2021 | 2 | |
| Aspeli, Yngvild | Yngvild Aspeli | Actor, Director | 2023 - 2024 | 32 | 1 |
| Altuğ, Tuğçe | Tuğçe Altuğ | Actor, Designer, Producer | 2024 | 3 | |
| Aslam, Malik | Malik Aslam | Actor, Designer, Lighting Designer | 2006 | 9 | |
| Ashmore, Peter | Peter Ashmore | Actor, Designer, Director, Producer, Sound Designer | 1941 - 1955 | 18 | 1 |
| Adeney, Eric | Eric Adeney | Actor, Designer | 1911 - 1943 | 5 | |
| Antonelli, Aureliano | Aureliano Antonelli | Actor, Designer | 1987 - 1990 | 4 | |
| Albret Kristensen, Torben | Torben Albret Kristensen | Actor, Designer | 2002 - 2004 | 3 | |
| Arshamian, Edward | Edward Arshamian | Actor, Designer | 2003 | 2 | |
| Aktar, Mohsina | Mohsina Aktar | Actor, Designer | 2009 | 4 | 1 |
| Acıl, Burak | Burak Acıl (Burak Acil) | Actor, Designer | 2007 | 2 | |
| Albarrán Álvarez, Lázaro | Lázaro Albarrán Álvarez | Actor, Designer | 1994 | 2 | |
| Aresi, Giovanni | Giovanni Aresi | Actor, Designer | 2021 - 2023 | 20 | |
| 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 | |
| Avdelioti, Androniki | Androniki Avdelioti (Ανδρονίκη Αβδελιώτη) | Actor, Costume Designer, Director | 2023 | 3 | |
| Alexiou, Nikos | Nikos Alexiou | Actor, Costume Designer, Designer, Lighting Designer | 1991 - 2010 | 4 | 1 |
| Auerswald, Jaroslav | Jaroslav Auerswald | Actor, Costume Designer, Designer, Director | 1912 - 1928 | 14 | |
| Ahonen, Riina | Riina Ahonen | Actor, Costume Designer, Designer | 1967 - 2000 | 3 | |
| Amaral, Domitilla | Domitilla Amaral | Actor, Costume Designer, Designer | 1957 | 3 | 1 |
| 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 | |
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