That NBC will almost certainly drop Friends spin-off Joey at the end of this season seemed apparent Tuesday with the announcement that Andrea Anders, who plays the title character's next-door neighbor has joined the cast of a new comedy series on rival CBS. Anders will appear in The Class, about a group of twentysomethings who were once friends in the third grade and have now reunited. Also co-starring in the series is Jason Ritter, the 26-year-old son of John Ritter (and grandson of country singer Tex Ritter), Also appearing will be Jay Bernthal, making his TV debut, and Heather Goldenhersh (Kinsey).