's cast roster just keeps on hemorrhaging fan favorites. The CBS sudser now officially confirms that Daniel Cosgrove
will last air as Billy and Vanessa's swaggering son, Bill Lewis, on Oct. 16. After three years in Springfield, the handsome Beverly Hills, 90210
grad is returning to prime-time TV in ABC's midseason legal drama In Justice
. Cosgrove will tape his final scenes on GL
's set this month and begin filming In Justice
in October. In happier news, Cosgrove and wife Marie
welcomed their third daughter, Ruby Willow
, on Aug. 27. The bouncing baby girl weighed in at 7 lbs., 15½ oz. and measured 20½ inches long.