 Actor Debbie Dunning from Home Improvement, 58 today. Wildlife expert Jeff Corwin, he's 57 today. Actor Justin Chambers from Grey's Anatomy, 54. Actor Michael Rosenbaum from Smallville, 52. One of Mike Fell's favorites, rapper Lil' Kim, is 50 today. Actor John Wellner of CSI is 49. Another of Mike Fell's favorites, rapper Lil' Zane is 43 today.