Former 'Seinfeld' star Wayne Knight has reportedly signed up to make a guest appearance in 'Bones'.

According to Entertainment Weekly, the actor, who played Newman in 'Seinfeld', will play a businessman in 'Bones'.

The show's executive producer Stephen Nathan said that the episode he is due to appear in will feature "one of our most revolting body finds ever".

Nathan also said: "A body is discovered inside one of the world's largest chocolate bars. It's delightfully revolting."