Dee Bradley Baker

Little Helper (voice) / Coco The Monkey / Little Helper (voice) / Seahorse / Seahorses / Little Helper (voice) / Bees (voice) / Baby Bear / Mama Bear / Baby Elephant / Little Helper (voice) / Gophers (voice) / Bee / Francis / Buster / Little Helper (voice) / Little Helper / Baby Elephant / Chicken / Voice Announcer (voice) / Kittens / Little Helper (voice) / Chickens / Little Helper (voice) / Little Helper / Frog / Frogs / Sparky (voice) / SPOTS / Gopher / Little Helper (voice)

21 eps

April Winchell

Clarabelle (voice) / Clarabelle / Hilda (voice) / Hilda (voice) / Lady Moo-Moo (voice) / Woodsy Clarabelle (voice)

14 eps

Corey Burton

Professor Von Drake (voice) / Dale (voice) / Professor Von Drake / Dale (voice) / Professor Von Drake / Baby Von Drake (voice)

12 eps

Jim Cummings

Pete (voice) / Wizard Pete (voice) / Space Pete (voice) / Tow Truck Pete (voice)

11 eps

Stephen Stanton

Laughing Loft (voice)

3 eps

Brock Powell

Willie (voice) / Willie / Leapin' Leonardo (voice)

3 eps

Jan Johns

Farfus (voice)

1 ep

Nika Futterman

Cuckoo Loca (voice)

1 ep