| Name | Roles |
|---|
| Ashton, Tony | Performer |
| Ashton, WIll | Performer |
| Ashworth, Dominic | Performer |
| Ashworth, Jacob | Performer |
| Ashworth, Jody | Performer (2) |
| Ashworth, Natasha | Performer |
| Asia | Performer |
| Asiryan, Karina | Performer |
| Askam, Perry | Performer |
| Aske, Raymond | Performer |
| Askeland, Nina | Performer |
| Askew, Adrian | Performer |
| Askew, Lillian | Performer |
| Askey, Arthur | Performer |
| Askey, Darrell J. | Performer |
| Askey, Gil | Orchestrations (2), Conductor, Vocal_Arrangements, Producer (3) |
| Asklof, Robb | Performer |
| Askwith, Robin | Performer |
| Aslhby, Matthey | Performer |
| Aslop, Marin | Conductor |
| Ašmanis, Ainars | Performer |
| Asmanová, Milena | Performer |
| Asmar, Sarah | Performer |
| Åsmen, Egil | Performer |
| Asnes, Andrew | Performer |
| Aso, Kaori | Performer |
| Asociación de Arte Escénico Almansa | Performer |
| Asp, Andy | Performer |
| Aspaas, Gudny | Performer |
| Aspinall, Harold | Producer |
| Asprella, Nicolás | Performer |
| Asprey, George | Performer |
| Asquith, John | Performer (2) |
| Assaly, Edmund | Conductor |
| Assarson, Elisabeth | Performer |
| Asse, Christian | Performer |
| Asselin, Paul | Performer |
| Asselt, Reini van | Performer (4) |
| Asser, Eli | Lyrics (2), Book (2), Translation |
| Asser, Rolf | Performer |
| Assia | Performer (3) |
| Assia, Lys | Performer |
| Assous, Cyril | Music, Conductor, Music_Director |
| Ast, Pat | Performer (2) |
| Astaire, Adele | Performer (22) |
| Astaire, Fred | Music (3), Lyrics (3), Liner_Notes, Performer (211) |
| Astar, Ben | Performer |
| Astel, Andres | Performer |
| Asten, Peter | Music, Lyrics |
| Astin, John | Performer |
