Instagram/Léa Seydoux & Catherine D Movie Cannes 2026 lineup revealed! Deneuve & Seydoux star in multiple films. See Farhadi's return & the full competition selection. April 10, 2026 AceShowbiz - The official lineup for the 79th edition of the Cannes Film Festival has been announced, spotlighting notable appearances on the red carpet, including two French icons who will take on multiple roles: Léa Seydoux and Catherine Deneuve.