Pierre Deny, known for playing Louis de Léon in Emily in Paris, passed away at 69 following a rapid onset of ALS. Co-stars including Paul Forman and Lily Collins reacted to the news as the show films its final season.
Actor Pierre Deny , best known for his role as Louis de Léon in the Netflix series Emily in Paris, has died at the age of 69 following a sudden and severe battle with amyotrophic lateral sclerosis ( ALS ).
His daughters announced his passing in a statement, expressing deep emotion and noting the unexpected nature of his illness. Co-stars and colleagues have begun to share tributes, remembering Deny for his warmth, talent, and the joy he brought to the set. Paul Forman, who played his on-screen son Nicolas de Léon, posted a heartfelt message on Instagram, stating he was heartbroken and that it was a privilege to work alongside Deny.
Forman included a black-and-white photo of Deny in his tribute. Lily Collins, the lead actress of Emily in Paris, also shared that production is currently filming its sixth and final season, which is set to take place in Greece and France, describing it as a final epic adventure.
Deny's passing has drawn attention to ALS, a progressive neurodegenerative disease, especially as other public figures like 90 Day Fiancé's Jenny Slatten and singer Roberta Flack have also been affected by the condition. Slatten received her diagnosis at age 53, and Flack died in February 2025 at 88 after her 2022 diagnosis.
Another co-star from the French series Demain nous appartient, Luce Mouchel, reacted in French, recalling a short decade of shared life and praising Deny's daughters for their exceptional courage. She referred to him as Dr. Dumaze, his character's name, and remembered his sparkling eyes. The news has sent ripples through the entertainment community, with many fans and colleagues mourning the loss of an actor who brought charisma to both French and international productions.
The ALS Association notes that the disease is often fatal within two to five years, though progression varies. Deny's sudden and severe case underscores the aggressive nature some forms can take. As Emily in Paris wraps its final season, the cast and crew will undoubtedly dedicate it in part to Deny's memory, celebrating his contributions to the show's dynamic. His legacy as a beloved father figure on screen and a cherished member of the acting community will endure
Pierre Deny Emily In Paris ALS Paul Forman Lily Collins Obituary Netflix Demain Nous Appartient Luce Mouchel Roberta Flack Jenny Slatten
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