John Petlock

Former 1960s flower children Steven and Elyse Keaton raise their conservative son Alex, daughters Mallory and Jennifer, and later, youngest child Andrew.

Will, a street-smart teenager, moves from the tough streets of West Philly to posh Bel-Air to live with his Uncle Philip, Aunt Vivian, his cousins — spoiled Hilary, preppy Carlton and young Ashley — and their sophisticated British butler, Geoffrey. Though Will’s antics and upbringing contrast greatly with the upper-class lifestyle of his extended relatives, he soon finds himself right at home as a loved part of the family.

Joe Slovak is a brilliant first-year med student whose casual, nonconforming approach to life gets tested when he enrolls in Gross Anatomy, the toughest course in med school.