Debever made her debut in the early 1980s in the series Joëlle Mazart, a sequel to the very popular Pause café, with Véronique Jannot.
In 1983, she landed the lead role in Un jeu brutal by Jean-Claude Brisseau, in which she starred opposite Bruno Cremer.
[1] She also played a supporting role in the comedy My Other Husband, by George Lautner, with Miou-Miou, followed by the telefilm thriller Quidam alongside Richard Bohringer.
In 1989, she appeared in her final acting role, an episode of Les Enquêtes du commissaire Maigret.
[6] Her death came the day before the release of France 2's investigative news show Complément d'enquête in which she presented her allegations against Gérard Depardieu.