Isobel Dorothy Bel Powley is a British actress best known for playing Daisy Miller in the CBBC television series M.I. High. Powley plays the protagonist in the 2015 film The Diary of a Teenage Girl, which premiered at the 2015 Sundance Film Festival.
Powley was born in the Hammersmith district of London, England, to British actor Mark Powley and casting director Janis Jaffa. Her mother is Jewish.
Source: Wikipedia