Lara Jean: Heejin 
Margot: IU/Jieun (soloist) 
Kitty: Chaeyeon (Busters) 
Greg: Ryujin (itzy) 
Chris: Yeojin
Gen: Lia (Itzy) 
Dr. Covey: Vivi 
Mrs. Kavinsky: Sooyoung (Yves) 
Owen Kavinsky: Hyejoo (Olivia Hye) 
Peter: Hyunjin 
Josh: Yeji (Itzy)
John: Shuhua (Idle)
Lucas: Lucas (nct/wayv) 
Kenny: Jaemin (nct) 

official chapter coming soon! I'm just waiting on it to be edited! 
Twt: @galaxy_hyejeong