Question: What role in "The Rocky Horror Show" was played by an actor who also played a character in a musical based on a children's novel?
Sentence (from "Kraig Thornber"): Kraig Thornber (born 1961) is a British choreographer, actor and singer best known for playing the handyman Riff Raff in "The Rocky Horror Show" and Grandpa George in the musical "Charlie and the Chocolate Factory".
Relevant evidence: Yes