Cast[]
- Arthur as Rodney Copperbottom
- Mr. Ratburn as Bigweld
- Brain as Fender
- Buster as Wonderbot
- D.W. as Piper
- Muffy as Cappy
- David as Herb Copperbottom
- Jane as Lydia Copperbottom
- Francine as Aunt Fanny
- Binky as Lug
- Rattles as Mr. Gunk
- Zorran (from TUGS) as Phineas T. Ratchet
- Molly as Madame Gasket
- Pal as Diesel
- Dave as Crank
- Timmy as Young Rodney Copperbottom
- Kate as Baby Rodney Copperbottom
- Tommy as Ball