According to a report at WhatsOnStage.com, the actor John Normingtonhas died at the age of 70.
Normington was best known to Doctor Who fans for his highly-acclaimed role as the villain Trau Morgus in Peter Davison's final story as the Fifth Doctor, The Caves of Androzani, in 1984.
He later appeared again in the series in the Sylvester McCoy serial The Happiness Patrol in 1987, and finally guested in 2006's Ghost Machine, an episode of the Doctor Who spin-off series Torchwood.
Normington was a busy working actor right up until this year, appearing at the Old Vic opposite Robert Lindsay in The Entertainer. A former member of the Royal Shakespeare Company, he also appeared in television series such as Coronation Street, Yes, Prime Minister and Casualty.
Hollywood actor Kevin Spacey, the artistic director of the Old Vic, said in tribute: "We were honoured to have enjoyed John's company for as long as we had him. His spirit and influence remained throughout and now that same spirit joins the other great actors who have played the Old Vic stage, where he will always be remembered with admiration and affection.
"They don't make them like him any more. We send our love and condolences to John's partner, family and friends."