Goodbye Harry Potter, hello Horrid Henry | London Evening Standard

Scarlett Stitt, 12, from Islington, plays Moody Margaret. She said: "My mum and dad signed me up for an acting class and the first time I went, there was a casting director there and then I just kept getting called back for auditions. I loved the whole experience." Ross Marron, 11, who plays Horrid Henry's brother, Perfect Peter, said: "It was my first acting job. I really want to be in blockbusters."