Caroline Rhea and Sam Huntington have joined the voice cast of Fox's animated comedy, Two Dreadful Children.

The show revolves around a redneck family that discovers that their two horribly disobedient fraternal twins are geniuses. The Hollywood Reporter notes Rhea will voice the mother, and Huntington will voice one of the twins. They join Chris Kattan, French Stewart and Meredith Roberts.

Production is already under way on Two Dreadful Children.