| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Maria Adam | Translator | 1990 - 2012 | 6 | |||
| Muaz Al Jubeh | Lighting Designer | 2008 | 6 | |||
| Manal Awad | Actor | 2008 | 6 | |||
| Atanas Atanasov | Actor | 2011 - 2012 | 6 | 3 | ||
| Günther Amberger | Actor | 1985 - 2006 | 6 | |||
| Per Aabel | Actor | 1956 - 1986 | 6 | 1 | ||
| Andoni Aresti-Landa | Dancer | 1992 - 1994 | 6 | |||
| Ines Arndt | Actor | 1991 | 6 | |||
| Mattias Andersson | Actor | 1993 | 6 | |||
| Marco Albrecht | Actor | 1994 - 2015 | 6 | |||
| Walkyria Alves | Actor | 1982 | 6 | |||
| Marcos André | Actor | 1982 | 6 | |||
| Katrin Aebischer | Actor, Dancer | 1997 - 2005 | 6 | |||
| Robert Ashby | Actor | 1978 - 1980 | 6 | |||
| Vincent Artaud | Composer | 2014 | 6 | |||
| Chloe Ashcroft | Actor | 1964 - 1967 | 6 | |||
| Harry Ahlin | Actor | 1936 - 1965 | 6 | |||
| Adriana Aboim | Actor | 2002 | 6 | |||
| Silvia Azzoni | Actor | 2002 - 2004 | 6 | |||
| Sara Alzetta | Actor | 2002 - 2003 | 6 | |||
| Silvia Ajelli | Actor | 2002 - 2003 | 6 | |||
| Torbjörn Alström | Mask Maker | 2002 - 2006 | 6 | |||
| Linda Adami | Actor | 1997 | 6 | |||
| Catarina Amaro | Costume Designer, Designer | 1997 - 1998 | 6 | |||
| Joël Adam | Lighting Designer | 2003 | 6 | |||
| Marek Adamczyk | Actor | 2010 | 6 | |||
| Karine Andrei-Sutter | Dancer | 2001 - 2002 | 6 | |||
| Alejandro Andújar | Costume Designer | 2007 | 6 | |||
| Laura Almela | Actor | 2006 | 6 | |||
| Peter Albers | Actor | 2000 - 2008 | 6 | 1 | ||
| Mónica Adán | Actor | 2006 - 2007 | 6 | |||
| Spencer Atkinson | Actor | 2006 | 6 | |||
| Hiroshi Akiba | Actor | 2008 - 2009 | 6 | |||
| Maya Araki | Sound Designer | 2008 - 2009 | 6 | |||
| Jürgen Althoff | Actor | 2010 | 6 | |||
| Geraldine Arnold | Costume Designer | 2009 - 2018 | 6 | |||
| Michelle Annen | Actor | 2011 | 6 | |||
| Edda Albertini | Actor | 1949 - 1959 | 6 | |||
| Elsa Agnès | Actor | 2013 | 6 | |||
| Mårten Axelsson | Lighting Designer | 2013 - 2022 | 6 | |||
| Andreas Aabel | Actor | 1936 - 1946 | 6 | 1 | ||
| Cătălina Antal | Musician | 2015 - 2016 | 6 | |||