Covid. The star took to Twitter to announce the sad news, and shared a photo alongside his post showing him kissing his late mum on the forehead.
Writing on Twitter in the early hours of this morning (Monday, March 28), Douglas said: "My mum passed away tonight from covid.
Happy Mother’s Day mumma. Xxxx. " He shared a wonderful photo of him with his mum, who is beaming at the camera as her son kisses her forehead.
Douglas played the adult Damien in the heroes and villains special of Only Fools and Horses. The episode, which first aired on Christmas Day in 1996, saw Del and Rodney invited to a fancy dress party.