Guest Stars Wallace Shawn voices Tall Jane Lynch voices Dumper Andy Richter voices Brave Andy Richter voices Skunk #1 Co Starring Darin dePaul voices Chip Billy West voices Chill Alex Désert voices Steam David Shatraw voices Fast Alex Désert voices Car Billy West voices Skunk #3 Mo Collins voices Tractor Sue Darin dePaul voices Skunk #2