Jon Seda: Jon Seda. Actor: La Brea. Jon Seda's first passion was to be a championship boxer. After taking runner-up in the NJ Golden Gloves, the 1992 Olympics was the next goal. That's when fate stepped in; at his first audition, for Gladiator (1992), he was given a co-starring role! Since then he has branched off into numerous television and film roles. He has garnered critical acclaim for his roles in such...