Sci Fi Wire reports that Paul Giamatti will be among the actors to voice the half hour animated series Amazing Screw-On Head. Based on Mike Mignola’s comic book, the series is set in the Civil War era and narrates the adventures of a robot secret agent at the service of Abraham Lincoln. David Hyde Pierce and Molly Shannon are also part of the cast: Pierce will lend his voice to Emperor Zombie, Screw-On Head’s arch-enemy, while Shannon is Patience, a vampire girl. Other voice actors include Patton Oswalt and Mindy Sterling. Amazing Screw-On Head will debut in 2006 on the Sci-Fi Channel.