- Diesel as Numbuh 5
- Emily as Heinrich Von Marzipan
- Lillie Lightship (from TUGS) as King Two Tons Of Candy
- Flora as Al Sugarh
- Judge Judy as Numbuh 1
- Daisy as Numbuh 2
- Bulgy as Numbuh 3
- Elizabeth as Numbuh 4
- Cree Summer - Diesel
- Dee Bradley Baker - Emily, Lillie Lightship and Elizabeth
- Rob Paulsen - Flora
- Ben Diskin - Judge Judy and Daisy
- Lauren Tom - Bulgy
- Emily: Guten Tag, mein Diesel, So good uf you to join us.
- Diesel: Oh, Hello, Emmy!
- Emily: Mein name is Emily Von Emerald Steam Engine!, I zink ve made zat clear, vhen ve last met in Guatemala!
- Diesel: Oh, Hehe, Yeah, Ah, But listen about Guatemala, You see some urgent business came up, and you...,
- Emily: And you left me holding ze bags uf sacred golden caramels, chust as ze auzorites arrived!, I vas grounded for ein month.