[3] His roles there include Gremin in Tchaikovsky's Eugene Onegin, Leporello in Mozart's Don Giovanni, Escamillo in Barrie Kosky's production of Bizet's Carmen, Capellio in Rossini's Bianca e Falliero and Gottardo in La gazza ladra.
He performed Verdi roles there including Sparafucile in Rigoletto, Ferrando in Il trovatore, Procida in Les vêpres siciliennes, and in a concert version Oberto and Don Ruy Gomez de Silva in Ernani.
He performed as Sarastro in Mozart's Die Zauberflöte,[4] aa Marc in Frank Martin's Le vin herbé,[5] and as Orest in Elektra by Richard Strauss, alongside Aile Asszonyi in the title role in the 1922/23 season.
[6] A reviewer from the Frankfurter Rundschau noted his sonorous voice paired with extreme mobility as an actor, and described his short aria, challenging the Count to fight, as a hint at the coming French Revolution.
[6] Sim made his debut at the Metropolitan Opera in New York City in 2016[3] as Colline in Puccini's La bohème,[7] and returned in 2019 as Masetto in Mozart's Don Giovanni, alongside Peter Mattei in the title role.