Les pêcheurs de perles
Some of the other roles Walker performed on stage during his career included Alfredo in "La Traviata", Alwa in "Lulu", Don Ottavio in "Don Giovanni", Fenton in Verdi's "Falstaff", Ferrando in "Così fan tutte", Nadir in "Les pêcheurs de perles", Rodolfo in "La Bohème", and the title role in "Albert Herring".