[1] He started as a musician, and became a principal orchestral violinist before debuting as an actor at the Théâtre du Parc in Brussels in 1883.
After moving to the Théâtre des Folies-Dramatiques in 1890 he created roles in Paris-Folies, Cousin-Cousine and Cliquette.
[2] At the Nouveau-Théâtre in 1895 he played in Les Dessous de l'année, and at the Eldorado Theatre he created roles in Joséphine vendue par ses sœurs, Kif-Kif-Revue, Dormez, je le veux by Georges Feydeau, and La Reine des reines.
[2] Engaged at the Bouffes-Parisiens, he created the roles of Aristide in André Messager's Les p'tites Michu (1897)[3] and Loustot in Messager's Véronique (1898),[4] Roger in Émile Pessard's La Dame de Trèfle (1898),[5] Jack in Gaston Serpette's Shakespeare (1899)[6] and Le Taupier, the wizard, in Charles Lecocq's La Belle au bois dormant (1900).
[2] Lamy's later roles included Vincent in Eugène Brieux' La Femme seule (Gymnase-Dramatique, 1912), and at the Théâtre national de l'Odéon the title role in Miguel Zamacoïs' Monsieur Césarin, écrivain public (1919) and a Doctor in Henry Dupuy-Mazuel's Molière (1922).