Benedict Cumberbatch and David Walliams are among the stars lending their voices for The Tiger Who Came To Tea.
The children's book by the late Judith Kerr has been turned into an animated one-off and will hit screens during the festive season on Channel 4.
British actor Benedict, 43, is set to voice 'Daddy' in the half an hour special and spoke of his joy being cast in the feature, which was originally announced in January.
He said: "I couldn't be more thrilled to be playing a small part in bringing Judith Kerr's timeless children's classic to the screen for another generation to enjoy."
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While Britain's Got Talent judge David Walliams, 47, will narrate the animation after she personally asked him to take part before her death in May.
Speaking of the casting news, David said: "I knew Judith well and I really adored her. She was an incredible inspiration - her work is so brilliant.
"The book is a thing of beauty - there isn't a word out of place, the illustrations are just gorgeous. I really wanted to be a part of it and I was chuffed that she wanted me to narrate.
Adding: "I'm so proud to be associated with it because it's a stone cold classic. Just like the book has been around for over 50 years, hopefully the animation will have this incredible longevity too."
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Also joining in on the fun is actress Tamsin Greig, British star David Oyelowo and The Fast Show's Paul Whitehouse.
While Benedict is voicing the father of Sophie, Episodes' Tamsin, 53, will voice 'mummy'.
Selma actor David, 43, will be taking on the role of the tiger, and seven-year-old Clara Ross will make her TV debut as Sophie.
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The Tiger Who Came to Tea has sold over five million copies since it was first published in 1968.
Inspired by Judith's daughter Tacy, the story of Sophie and her extraordinary, stripy teatime guest has enchanted generations of children and has become a timeless classic.
The Tiger Who Came to Tea is set to air on Channel 4 this Christmas.
Featured Image Credit: Channel 4/The Tiger Who Came To Tea
Topics: Entertainment News, TV News, TV Entertainment, Channel 4