You can of course imagine the characters the way you want but here's how I imagine them:
(found the images from Pinterest)
our main character, Althea Cattermole <-Margaret Qualley
for Tom Riddle there are two options (because he will be 27 yo) :
Christian Coulson as Tom Riddle
or, my preference, Tom Hughes as Tom Riddle, sorry... Professor Riddle
Abraxas Malfoy <- Lucky Blue Smith
YOU ARE READING
Defence Against the Dark Lord
AdventureTom Marvolo Riddle is the new Professor of Defence Against the Dark Arts. Even though she wouldn't approve a relationship between a teacher and a student, Althea is having a crush on him. Just by his presence Tom Riddle makes her behave very strange...