During the 2026–2027 season, Grégoire Mour performs the roles of Roderigo (Otello) at the Opéra national de Lorraine and the Grand Théâtre du Luxembourg, Pomponnet (La Fille de Madame Angot) at the Théâtre de l’Odéon in Marseille, Ford (Falstaff by Salieri) on tour with René Jacobs, and Gastone (La Traviata) at the Opéra de Vichy.

In opera, he was recently heard as Roméo (Roméo et Juliette by Gounod) at the Théâtre des Champs-Élysées and at the operas of Reims and Bordeaux, Pape des fous (Louise), Mainfroid (Les Vêpres Siciliennes), and the Fourth Jew (Salomé) at the Festival d’Aix-en-Provence, Beppe (Pagliacci) and Spoletta (Tosca) at the Opéra de Dijon, Gastone (La Traviata), Tanzmeister and Brighella (Ariadne auf Naxos) at the Opéra de Rouen, Gonzalve (L’Heure Espagnole) at the Opéra de Toulon, Normanno (Lucia di Lammermoor) at the Opéra de Nice, Gastone again at the Opéra de Lorraine, and Premier commissaire (Dialogues des Carmélites) at the Opéra de Massy.

René Jacobs has also invited him to perform the roles of Remendado (Carmen) with the Ensemble B’Rock and Pastore (L’Orfeo) with the Freiburger Barockorchester, in venues such as the Philharmonies de Paris, Berlin, and Hamburg, as well as the Teatro Real in Madrid and the Liceu in Barcelona.

In concert, he has been heard in a Rossini program with the Orchestre de l’Opéra de Lyon, Saint-Saëns’ Oratorio de Noël and Mozart’s Requiem with the Orchestre national des Pays de la Loire, Mozart’s Requiem again with the Chœur de Radio-France, and Beethoven’s 9ème Symphonie with the Chœur Philharmonique de Strasbourg.

A member of the Studio of the Opéra de Lyon from 2017 to 2019, he performed there the roles of Uldino (Attila) and Abdallo (Nabucco) under the baton of Daniele Rustioni, as well as the Prince and the Jester (La Belle au bois dormant by Respighi), Torquemada (L’Heure Espagnole), Borsa (Rigoletto), Rodolphe (Guillaume Tell), Maréchal Trac (Le Roi Carotte), and the Young Prisoner (From the House of the Dead).

A graduate of the Conservatoire National Supérieur de Musique et de Danse de Paris and the Guildhall School of Music and Drama in London, after training as a dancer at the Conservatoire de Lyon, Grégoire Mour also refined his theatrical skills at the Cours Florent in Paris. He has also been a laureate of the Fondation Royaumont and of the Académie de la Voix at the Fondation des Treilles.

Interested in musical theatre repertoire, Grégoire Mour performed at the Théâtre du Châtelet as Uncle Ian in the world premiere of Pourquoi j’ai mangé mon père?, as Bernardo (West Side Story by Bernstein) with the English company Vivo d’Arte, and in the title role of Gershwin in a show built around the composer’s music.

He has also appeared at the Barbican Hall in London in Alice in Wonderland by Unsuk Chin with the BBC Symphony Orchestra, and as an Elder Brother in The Hogboon, a creation by Sir Peter Maxwell Davies with the London Symphony Orchestra conducted by Sir Simon Rattle.

Grégoire Mour has been represented by RSBA since 2019.