| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Cristopher Akerlind | Lighting Designer | 1996 | 1 | |||
| Ricardo Alegre | Actor | 1997 - 1998 | 3 | |||
| Helio Ary | Actor | 1997 - 1998 | 3 | |||
| Zsuzsa Adorjáni | Actor | 1996 | 1 | |||
| Elisabeth Ancion | Costume Designer | 1996 - 1997 | 8 | |||
| Lee Arenberg | Actor | 1995 | 1 | |||
| Iris Atzwanger | Actor | 1989 - 1996 | 2 | |||
| Michelle Aten | Actor | 1995 | 1 | |||
| Frank Albrecht | Actor | 1995 - 2015 | 5 | |||
| Danielle Allan | Actor | 1996 | 1 | |||
| Alena Antalová | Actor | 1996 | 1 | |||
| Peter Aebi | Actor | 1993 - 1996 | 5 | |||
| Sharmila Abraham | Actor | 2003 - 2007 | 7 | |||
| Raivo Adlas | Actor | 1996 | 1 | |||
| Kais Adlas | Actor | 1996 | 1 | |||
| Aku Ahjolinna | Choreographer | 1996 | 1 | |||
| Keiichiro Aida | Actor | 1996 - 1997 | 2 | |||
| Suzan Azimi | Actor | 1996 | 4 | |||
| Remo Airaldi | Actor | 1996 | 1 | |||
| E. Auer | Actor | 1995 | 1 | |||
| Ulrike Aberle | Actor | 1995 | 4 | |||
| Daniel Aigner | Actor | 1995 | 6 | |||
| Antonia Arnold | Actor | 1995 | 2 | |||
| Helmut Aunkofer | Actor | 1995 | 2 | |||
| Mr Atkinson | Actor | 1889 | 1 | |||
| Petra Anders | Actor | 1995 | 1 | |||
| Róbert Arnfinnsson | Actor | 1954 - 1996 | 2 | |||
| Hannes Abplanalp | Actor | 1995 | 3 | |||
| Elsbeth Affolter | Actor | 1995 | 3 | |||
| Vebi Aliji | Actor | 1995 | 1 | |||
| Bettina Amacher | Actor | 1995 | 5 | |||
| Linda Andersson | Actor | 1997 | 1 | |||
| Emma Andersson | Actor | 1997 | 1 | |||
| Eivind Aarset | Composer | 2015 | 1 | |||
| Mark Anduss | Sound Designer | 1995 - 2000 | 2 | |||
| Hideyuki Akabane | Actor | 1995 | 1 | |||
| Yuhmi Akino | Actor | 1995 | 1 | |||
| Roberto Abal | Actor | 1995 | 2 | |||
| Martin Angermann | Actor | 1995 | 5 | |||
| Dominique Arel | Designer | 1995 | 1 | |||
| Barry Atsma | Actor | 2006 - 2012 | 16 | |||
| Blair Anthony | Actor, Adaptation | 1995 - 2013 | 2 | |||