VIDEO : Crispin Glover, Jonathan Tucker Join 'American Gods'

Back to the Future's Crispin Glover and Parenthood's Jonathan Tucker have booked key roles in the Starz drama 'American Gods' from producer Bryan Fuller and writer Neil Gaiman. In the show, Glover will play Mr. World, the seemingly omniscient leader at the center of the New Gods coalition who is sometimes more challenged by his own subordinates than his enemies. Meanwhile, Tucker will play Low Key Lyesmith, the main character Shadow Moon's one confidante in prison.