Born in Paris, Verneuil wrote approximately sixty plays and was best known for comedy.
[2] Many of his works were produced on Broadway including Monsieur Lamberthier, adapted into Jealousy (1928) starring John Halliday and Fay Bainter, and subsequently adapted again in 1946 as Obsession with Eugenie Leontovich and Basil Rathbone; and Affairs of State (1950) which starred Celeste Holm and Harry Bannister.
Affairs of State ran for 610 performances at the Music Box Theatre and was the first work Verneuil wrote in English.
[2] His screenwriting credits include Avec Le Sourire (With a Smile) (1936) which starred Maurice Chevalier, and Cosas de mujer (Feminine Wiles) (1951).
In 1942 he wrote a biography of his grandmother-in-law, titled The Marvellous Life of Sarah Bernhardt.