Dark Horizons indicates that Jay Leno and Jennifer Coolidge have signed up for the computer-animated comedy Igor. Leno will voice the role of “King Malbert,” Malaria’s Machiavellian ruler, while Coolidge will take on the role of “Sybil,” the village vixen. Other actors already reported as part of the Igor cast include Jeremy Piven, Molly Shannon, Steve Buscemi, John Cleese and Christian Slater.