Who are the Darling Boys on the Andy Griffith Show?

The Darling "boys" were played by real life bluegrass group The Dillards.

Doug Dillard: Banjo

Rodney Dillard: Guitar

Dean Webb: Mandolin

Mitch Jayne: Bass

They were usually referred to as the boys or by their first names, Doug, Rodney, Dean, and Mitch. They would play these roles in six episodes of The Andy Griffith Show.