Mike Judge Hank Hill Voice, Executive Producer Kathy Najimy Peggy Hill Voice Pamela Adlon Bobby Hill Voice Brittany Murphy Luanne Platter Voice Johnny Hardwick Dale Gribble Voice Stephen Root Buck Strickland Voice David Herman Jimmy Witchard Guest Voice Toby Huss Cotton Hill Guest Voice Ashley Gardner Didi Hill Guest Voice Dave Thomas Lane Pratley , Mr. Burton Guest Voice Greg Daniels Executive Producer