This article is not part of the Harry Potter universe. This article covers a subject that is part of the real world, and thus should not be taken as a part of the Harry Potter universe. Leo Heller Leo Heller is a British child actor who portrayed the Boy with Birthmark in Fantastic Beasts and Where to Find Them. Notes and references ↑ Leo Heller's profile on A&J Management External links Leo Heller at the Internet Movie Database Retrieved from "https://harrypotter.fandom.com/wiki/Leo_Heller?oldid=1311160" Categories: Fantastic Beasts and Where to Find Them actors Languages: Polski *Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.