Since HBO announced its upcoming Harry Potter reboot series, speculation around its potential cast has run rampant on the internet, with many trying to see how it'd compare to the original Harry Potter cast.

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.

On May 27, HBO announced that after auditioning more than 30,000 actors for the three main characters, Dominic McLaughlin will play Harry, Arabella Stanton will portray Hermione, and Alastair Stout will be Ron. The three newcomers ’ characters were originated by Radcliffe, Emma Watson, and Rupert Grint, respectively.