Terrence Hardiman, best known for playing the title role in the CBBC series The Demon Headmaster, has died at the age of 86, his agent has said.
The stage and screen star also appeared in TV series such as The Crown, Wallander, Doctor Who and Prime Suspect.
"Goddammit, we've lost Terence Hardiman. I honestly can't think of anyone who could have played the Demon Headmaster better," one fan wrote on Twitter as the news broke this morning.
