| Atanasiu, Mikaela | Mikaela Atanasiu | Adaptation, Director | 1982 | 2 | |
| Altenbeck, Detlef | Detlef Altenbeck | Director | 1994 - 2005 | 2 | 1 |
| Aguilera, Carlos | Carlos Aguilera | Director | 1994 - 1997 | 2 | |
| Atanassova, Vassilena | Vassilena Atanassova | Actor | 1994 - 1996 | 2 | |
| Andritsakis, Platon | Platon Andritsakis | Composer | 1994 - 1998 | 2 | |
| Anagnostopoulos, Nikos | Nikos Anagnostopoulos | Costume Designer, Designer | 2014 | 2 | |
| Anderson, Bob | Bob Anderson | Actor | 1980 | 2 | |
| Aaltonen, Risto | Risto Aaltonen | Actor | 1968 - 1980 | 2 | 1 |
| Agustoni, Corinna | Corinna Agustoni | Actor | 1994 - 1996 | 2 | |
| Anglisani, Roberto | Roberto Anglisani | Actor | 1994 - 1996 | 2 | |
| Aigner, Richard | Richard Aigner | Actor | 1995 - 2002 | 2 | |
| Agutter, Jenny | Jenny Agutter | Actor | 1971 - 1980 | 2 | 1 |
| Aldous, Brian | Brian Aldous | Lighting Designer | 1993 - 1996 | 2 | |
| Atzwanger, Iris | Iris Atzwanger | Actor | 1989 - 1996 | 2 | |
| Ahonen, Timo | Timo Ahonen | Actor | 1996 | 2 | 1 |
| Aida, Keiichiro | Keiichiro Aida | Actor | 1996 - 1997 | 2 | |
| Aberle, Ulrike | Ulrike Aberle | Actor | 1995 | 2 | |
| Arnfinnsson, Róbert | Róbert Arnfinnsson | Actor | 1954 - 1996 | 2 | |
| Anduss, Mark | Mark Anduss | Sound Designer | 1995 - 2000 | 2 | |
| Alurralde, Raul Sosa | Raul Sosa Alurralde | Actor, Director | 1995 | 2 | 1 |
| Abal, Roberto | Roberto Abal | Actor | 1995 | 2 | |
| Anthony, Blair | Blair Anthony | Actor, Adaptation | 1995 - 2013 | 2 | |
| Augustin, Giatgen | Giatgen Augustin | Actor | 1995 | 2 | |
| Arpagaus, Remo | Remo Arpagaus | Actor | 1995 | 2 | |
| Augustin, Maurus | Maurus Augustin | Designer | 1995 | 2 | |
| Arata, Greg | Greg Arata | Actor | 1998 | 2 | |
| Acton, Wallace | Wallace Acton | Actor | 1998 | 2 | |
| Ammerman, John | John Ammerman | Actor | 1998 - 1999 | 2 | |
| Augustin, Anita | Anita Augustin | Adaptation, Dramaturg | 2014 | 2 | |
| Arteaga, Beatriz | Beatriz Arteaga | Costume Designer, Designer | 1997 | 2 | |
| Arco, Miguel del | Miguel del Arco | Adaptation, Director | 2014 | 2 | |
| Alfsen, Merete | Merete Alfsen | Actor, Dancer | 1969 | 2 | |
| Ankermann, Martin | Martin Ankermann | Director | 1965 - 1967 | 2 | |
| Auclair, Claude | Claude Auclair | Costume Designer, Designer | 1967 | 2 | |
| Aro, Matti | Matti Aro | Actor, Director | 1954 - 1967 | 2 | 1 |
| Araki, Michiko | Michiko Araki | Actor | 1940 - 1967 | 2 | |
| Angeli, Angelos | Angelos Angeli | Costume Designer, Designer | 2004 | 2 | |
| Am, Claudia | Claudia Am | Actor | 1966 | 2 | |
| Andersson, Laila | Laila Andersson | Actor | 1966 - 1976 | 2 | |
| Amble, Lars | Lars Amble | Actor | 1966 - 2005 | 2 | 1 |
| Anzalone, Frank | Frank Anzalone | Actor | 1965 | 2 | |
| Alpert, Alan | Alan Alpert | Actor | 1965 - 1966 | 2 | |
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