Frédéric Antoun has appeared as Belmonte in Die Entführung aus dem Serail, Thespis in Platée, and Ferrando in Così fan tutte at the Opéra national de Paris; Tonio in La fille du régiment at the Royal Opera House – Covent Garden, Opéra de Lausanne, and Opéra de Toulon; Raul in The Exterminating Angel at the Salzburg Festival and the Metropolitan Opera; Nadir in Les pêcheurs de perles at Opernhaus Zurich; Laërte in Hamlet at Theater an der Wien; and Prince Charming in Cendrillon at La Monnaie.