There's a new family on the mansion-lined Beverly Hills block and they'll have to get to know their filthy-rich neighbors if they're going to be able to survive this exclusive world of wealth and luxury. Now that you've familiarized yourself with the cast, meet the characters they play on this juicy new series. Click through this slideshow to find out who's taking up permanent residence in "90210." Monday, July, 28, 2008, 10:28 PM

Shenae Grimes plays ANNIE WILSON, a sweet, friendly and naive girl with a passion for the theater. The Beverly Hills world is a bit of a shock to her system since she's used to her Kansas lifestyle. Annie constantly feels like the little fish in a pond full of sharks.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Tristan Wilds plays DIXON WILSON, who was adopted by the Wilson family after they took him in as a foster child. He's a star lacrosse player and a scholar. Dixon has a close relationship with his sister Annie and they both struggle to fit into the lavish Beverly Hills world.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Jessica Stroup plays SILVER, a fiercely independent rebel who produces and stars in a YouTube-type video series about her fellow classmates. Silver isn't the typical West Bev High student. She's quirky and eccentric. Silver connects with outsider Annie and the two quickly become best friends.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Dustin Milligan plays ETHAN WARD, a star athlete whose abilities rival Dixon's. Although he's a genuinely nice guy, Ethan is a typical jock when it comes to schoolwork. Naomi and Ethan have a complicated relationship.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

AnnaLynne McCord plays NAOMI CLARK, the sexy, spoiled, rich girl who is determined to get what she wants. Naomi is West Bev High's resident bad girl, but as soon as you think you have her figured out, she'll turn around and surprise you. Her true self shines whenever she's with Ethan.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Michael Steger plays NAVID SHIRAZI, an aspiring journalist who heads up West Beverly's daily newscast, Blaze News. It's the high school version of tabloid magazine shows, spilling secrets and dishing dirt.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Ryan Eggold plays RYAN MATTHEWS, the smart, funny and hip young English Lit teacher at West Beverly Hills High School. He identifies with the students more than with his fellow faculty members and is able to build a real connection with the kids he teaches.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Lori Loughlin plays DEBBIE WILSON, a modern-day contemporary mother who is as cool as her two children. She feels just as out of place as her kids when they move to her husband's filthy rich hometown. Debbie is pursuing a career in photography.The CW/Frank Ockenfels - Monday, July, 28, 2008, 10:28 PM

Rob Estes plays HARRY WILSON, father to Annie and Dixon and husband to Debbie. A 1980s graduate of West Beverly Hills High, Harry decides to move back home to the 90210 to care for his mother after years in Kansas. In the process, he takes a job as the principal of his alma mater.The CW/Justin Stephens - Monday, July, 28, 2008, 10:28 PM

Jennie Garth reprises her role as KELLY TAYLOR, now a guidance counselor at her alma mater, West Beverly High.The CW/Justin Stephens - Tuesday, July, 29, 2008, 5:29 PM