Laetitia Casta transformed for the series Le Réseau Corneille
An Instagram montage reveals the first images of a historic six-episode production.
Laetitia Casta was filmed on the set of Le Réseau Corneille, TF1's new prestige series. On October 14 2026, she posted on Instagram a short montage showing her radically changed look: platinum blonde wig, period makeup and a 1940s outfit. The series, adapted from Ken Follett's novel Jackdaws, is set in May 1944, runs for six episodes, and follows Elisabeth Clairet, nicknamed Betty, who must train a commando of five women to sabotage the German telephone exchange in a castle. Nazi major Dieter Frank hunts them. The cast includes Mathilde Seigner, Lina El Arabi, Michaël Youn and others. according to AlloCiné.