Laraine Newman
voices Peaches
David Errigo Jr.
voices Dudley
Tyler Shamy
voices Dante
Iris Menas
voices Fred
Ashlyn Madden
voices Ismat
Blythe Danner
voices Grandma Jones
Jane Lynch
voices Lonny
Bob Bergen
voices Mr. Peabody
Tyler Shamy
voices Museum Inhabitant
Ashlyn Madden
voices Countdown Voice
Becky Robinson
voices Amara
Steve Blum
voices Aesop
Jaiden Alexander McLeod
voices Kid 1