Cole Sprouse as Jughead Jones:
The loner outsider, bad boy, and the leader of the Southside Serpents.
Lili Reinhart as Betty Cooper:
The perfect girl next store, but she hates being it.
Camila Mendes as Veronica Lodge:
She's is one of the richist girls in Riverdale High, she is also Bettys bestfriend.
KJ Apa as Archie Andrews:
The boy next store, and one of Riverdale Highs football jocks.
Only doing the main characters, sorry.