Here are spoilers on who we can expect to appear during the 19th episode in addition to our original 90210 gang!
[SUPERINTENDANT MARQUEZ] Male… Hispanic, 40s-50s. WBHS’s Superintendent who is very concerned with the recent vandalism that has occurred on campus; Imposing, powerful, Strong possibility to RECUR in season 3 as a nemesis to the school. 1 day Guest Star.
[GOSSIPY FEMALE STUDENT] Female; open ethnicity, ethnic preferred, 18 or older to play high school. Gossipy, fast talking – unique, funky look. 1 Day; Co-Star
[FEMALE PROCTOR] Female, open ethnicity, late 30s – 40s. The official proctor for the SAT exams conducted at WBHS sptv050769; S 1 Day; Co-Star
[MALE BARTENDER] Male, 20s, open ethnicity. The friendly bartender of The Beach Club who prepares Naomi her morning smoothies before the SATs. Sexy and confident; 1 Day; Co-Star.
Source: SpoilerTV

