You were probably too busy noticing the fact that Nagini is a freaking female witch in the new Fantastic Beasts trailer to realise there were two Harry Potter cameos!
Yep, in the final trailer released this week, Toby Regbo and Jamie Campbell Bower appear, playing young Albus Dumbledore and young Gellert Grindelwald!
The actors were also in Harry Potter and the Deathly Hallows: Part 1:
While Dumbledore and Grindelwald are now played by Jude Law and Johnny Depp, they were originally these two!
The more you know...