The award-winning actress, who played police woman Laurence Relaud in the BBC drama The Missing, died on Sunday in a hospital outside of Paris.In October 2023, she disclosed that she had adrenocortical carcinoma, an adrenal gland cancer.

Dequenne announced the good news of her full remission in April 2024, stating that she was determined to resume her job and her normal life.“I was close to forgetting because I was leaving the hospital today after 13 days… What a tough battle,” she wrote on social media.

However, at the end of last year, she experienced a resurgence of her condition, which regrettably caused her health to deteriorate
She openly recognized her worsening health on December 1 when she told the French television program TF1 that she was concentrating on her well-being.

Her career began with her breakthrough performance in the Dardenne brothers’ “Rosetta,” which won both the Golden Palm and Best Actress at the 1999 Cannes Film Festival.