Benedict Cumberbatch: Never stop working at a marriage Benedict Cumberbatch has shared some of his secrets to a happy marriage. 29 August 2025 Benedict Cumberbatch believes a successful marriage requires constant work. Benedict Cumberbatch has been married since 2015 The 49-year-old actor stars alongside Olivia Colman in The Roses, a new comedy movie about a married couple experiencing relationship struggles, and Benedict has shared what he believes to be the key to a happy marriage.