HBO have revealed their first set of castings for their upcoming series based on the infamous Harry Potter film and book series.

Nick Frost, Janet McTeer, Paapa Essiedu, and Paul Whitehouse have been confirmed by the US network, in addition to the announcement that John Lithgow will be involved, as told in February.

With so many big names, both in terms of actors and their characters, it could become hard to keep track of who is playing who so Film News Blitz’s Joe Matthews is here to guide you through it.