13. He also used to fool around with Gellar, his on-screen love interest. In a 2002 interview, Gellar revealed: “[We] were the worst. We would do horrible things to each other. Like eat tuna fish and pickle before we kissed. If he had to unbutton my shirt or trousers I would pin them or sew them together to make it as hard as I could. Once I even dropped ice cream on him.”
14. Boreanaz was reportedly offered the role of Batman in Christopher Nolan’s reboot as a result of his portrayal of Angel, as well as a role in the Resident Evil series – but allegedly turned both down.
15. Nicholas Brendon, who played Xander, grew up with a stuttering problem and got into acting to help overcome it.
16. As the show went on, Brendon was told to stop working out as he was getting too fit to portray Xander’s nerdiness.
17. The character of Jenny (Robia LaMorte) was originally called Nicki, but it became too confusing as everyone on set called Brendon “Nicky”, so they switched her name to Jenny.
18. LaMorte started off as a dancer, and appeared in Prince’s music video for 1991 single “Cream”.
19. In the show, Willow says she used to write fan-fiction about TV show Doogie Howser, M.D.. Hannigan ended up acting opposite Doogie Howser himself, Neil Patrick Harris, years later in How I Met Your Mother.