Raul Castillo, who played Richie on HBO's Looking, has a recurring role in the CW's Riverdale. He's playing Oscar, "a serious, successful songwriter from New York who is also a visiting professor at Carson College, located in Riverdale. Cool and exacting, Oscar agrees to audition Archie in the hopes of possibly mentoring the aspiring singer-songwriter — but does Archie have true musical chops?"
Oscar makes his debut in ep 5.
also, according to this video, sabrina [Spoiler (click to open)]isn't going to be a witch, but someone who's escaped from a cult. lololololol
more spoilers: betty and veronica [Spoiler (click to open)]kiss in the pilot, according to this review, and moose is a closet case getting some kevin keller action.