High Quality Content by WIKIPEDIA articles! This is a list of the characters that have appeared on 90210. The series introduces Annie Wilson (Shenae Grimes) and her adopted brother Dixon (Tristan Wilds), who move from Kansas to Beverly Hills with their father Harry (Rob Estes) and mother Debbie (Lori Loughlin). The family relocated in order to care for Harry`s mother Tabitha (Jessica Walter).