| Teatro Real | | | |
| Carlo Rizzi | Musikalische Leitung | | |
| Thomas Jolly | Regie | | |
| Bruno de Lavenère | Bühnenbild | | |
| Sylvette Dequest | Kostüme | | |
| Antoine Travert | Licht | | |
| Orquesta Titular del Teatro Real | | | |
| Coro Titular del Teatro Real | | | |
| Josépha Madoki | Choreographie | | |
| Jose Luis Basso | Chorleitung | | |
| Nadine Sierra | Sopran | Juliette | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| Golda Schultz | Sopran | Juliette | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Javier Camarena | Tenor | Roméo | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| Ismael Jordi | Tenor | Roméo | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Héloïse Mas | Sopran | Stéphano | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| Carmen Artaza | Mezzosopran | Stéphano | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Roberto Tagliavini | Bass | Frère Laurent | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| Jean Teitgen | Bass | Frère Laurent | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Laurent Naouri | Bariton | Capulet | |
| Maciej Kwaśnikowski | Tenor | Tybalt | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| David Alegret | Tenor | Tybalt | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Sonia Ganassi | Mezzosopran | Gertrude, Juliettes Amme | |
| David Lagares | Bass | Herzog von Verona | |
| Tomeu Bibiloni | Bariton | Paris | |
| Pablo Martínez | Tenor | Benvolio, Montaigus Neffe | |
| Josep-Ramon Olivé | Bariton | Grégorio | |
| Andrzej Filończyk | Bariton | Mercutio | 2026 Mai 27, 30, Jun 01, 04, 07, 10, 13 |
| Carles Pachón | Bariton | Mercutio | 2026 Mai 28, 31, Jun 03, 06, 09, 12 |
| Javier Castañeda | Bariton | Frère Jean | |