McClaggan was a British wizard who attended Hogwarts School of Witchcraft and Wizardry in Gryffindor house in the 1920s.


In September 1927, McClaggan was being taught by Albus Dumbledore at Defence Against the Dark Arts, before being interrupted by Torquil Travers where he tried to defend Dumbledore before being ordered to follow Minerva McGonagall out.

Behind the scenes

McClaggan was portrayed by Alfie Simmons in Fantastic Beasts: The Crimes of Grindelwald


Notes and references