Kara Taitz as Lily Miran, a socially awkward, and sex-obsessed girl who is infatuated with RJ and constantly chases him, much to his dismay.
Marlon Young (recurring Season 1, main Season 2) as Jeriba Sinclair, Pinkerton High's basketball coach and gym teacher; he is also RJ's guidance counselor, though he is very sarcastic and unsupportive and gives RJ questionable advice.