Actor and comedian John Sessions has died aged 67, his agent has said.
Mr Sessions was best known for his work on TV shows Spitting Image, Have I Got News For You and Whose Line Is It Anyway?
He died at home after suffering a heart condition on Monday, his agent has said.
A statement from Alex Irwin of Markham, Froggatt & Irwin said: "It is with great sadness we can confirm that on Monday 2nd November, the actor John Sessions died at his home in South London. He will be hugely missed."
The Scottish actor voiced some of the puppets on satirical series Spitting Image and also conceived cult comedy Stella Street.
He more recently appeared in TV drama Skins and sitcom Outnumbered and as John Russell in ITV period drama Victoria.
A tweet from the team behind panel show QI said following the news of his death: "John Sessions was a panellist on QI’s first ever episode: Series A, Episode One, ‘Adam’.
"His incredible wit and encyclopaedic knowledge played a huge part in the show’s history and everyone at QI is deeply saddened to learn of his passing."
Broadcaster Danny Baker shared a poster for radio series Beachcomber… By the Way and wrote on Twitter: "Shocked to hear that John Sessions has died at 67.
"Terrific company always and a true talent. His roles at the heart of this, my favourite radio series, have given endless pleasure to me and will continue to do so always. Travel easy, chum…"
