Andy Griffith Andy Taylor Actor Ron Howard Opie Taylor Actor Don Knotts Barney Fife Actor Frances Bavier Aunt Bee Taylor Actor Betty Lynn Thelma Lou Guest Star Joanna Moore Peggy 'Peg' McMillan Guest Star Donald Lawton Waiter Who Takes Order Guest Star Warner Jones Waiter Who Carries The Tray Guest Star Bob Sweeney Director Aaron Ruben Producer James Fritzell Writer Everett Greenbaum Writer