Washington DC, June 22 -- Benedict Cumberbatch and Claire Foy are returning to the world of Judith Kerr's 'Mog' picture books for an animated special 'Mog's Bad Thing,' reported Variety.

According to the outlet, Cumberbatch will reprise his role as Mr Thomas opposite Foy as Mrs Thomas, while Adjoa Andoh also returns as the narrator alongside Amelie Law as Debbie and Teddy Skelton as Nicky.

The cast, who previously appeared together in the animated special 'Mog's Christmas,' will be joined this time by John Thomson as Mr Bunce, Katherine Parkinson as Mrs Ramsbottom, Mawaan Rizwan as Ali and Amelia Theodorou as Amy.

'Mog's Bad Thing,' is directed by Robin Shaw and produced by Lupus Films, and will once again follow Mog, the Thomas family...