Cast[]
- Ten Cents as Astro Boy
- Old Rusty as Dr. Tenma
- Grampus as Dr. Elefun
- Top Hat as Zane
- Sunshine as Sludge
- Sally Seaplane as Widget
- Lillie Lightship as Cora
- Big Mac as Sparx
- Warrior as Robotsky
- Hercules as Mike
- OJ as Teacher
- Sea Rogue as Orrin
- Johnny Cuba as Dr. Stone
- Zorran as Hamegg
- Scuttlebutt Pete as ZOG
- Carla (from TT) as Grace
- Tex (from TT) as Robot
- George (from TT) as Trashcan
- Billy Shoepack as Toby