Happy Birthday Roll Call!
Luke Evans (35), known for his role as Bard in DOS and as Aramis in the Three Musketeers
Emma Watson (24), best known throughout the world as Hermione Granger from the world of HP and is the brightest witch of her age
Emma Thompson (55), who is such a renowned British thespian, that it is impossible to assign just one role of remembrance, but is represented here as Sybil Trelawny from HP
Maisie Williams (17), who shot to fame in her role as Arya Stark in the HBO sensation, Game of Thrones, based off GRRM’s ASOIAF series
So when I got these questions, I prayed to Wizard God that someone would get these references - and they did! :D