Mario Lopez: Mario Lopez. Actor: Saved by the Bell: The College Years. Born in San Diego, California, on October 10th, 1973, to Mario and Elvira, Mario Lopez's first professional role was on the series, a.k.a. Pablo (1984). Mario is probably best known to youngsters, however, as A.C. Slater from NBC's popular 1980s teen comedy series Saved by the Bell (1989). Among Mario's other credits are several other popular television series, such as...