| Ben Young | | Max (voice) |
| Lily Held | | Lotta (voice) |
| Susan Tackenberg | | Oggly Mum / Navigator Car (voice) |
| Tony Clark | | Oggly Dad / Francesco / Firebottom / Workman #3 (voice) |
| Geraldine Blecker | | Oggly Grandma (voice) |
| Tom Zahner | | Oggly Grandpa / Mr. Hammer / Mr. Gurnard / Workman #4 (voice) |
| Andrea Dewell | | Oggly Baby / Mrs. Miller / Mother in park / Reporter (voice) |
| Kya Stein | | Mothy (voice) |
| Sema'j Alexander Cunningham | | Messy (voice) |
| Tracey Grey | | Lady Mayoress / Mrs. De Oderant (voice) |
| Phil Lewis | | Mayor / Foamworthy / Mr. Spoke / Newsreader / Workman #5 (voice) |
| Carl Collins | | Taxi Driver / Workman #1 / Workman #2 (voice) |
| Marlene Temple | | Girl in park (voice) |
| Nina Amerschlager | | Olchi Baby (voice) |
| Leo Amic | | Max (voice) |
| Annemarie Carpendale | | Olchi-Mama (voice) |
| Wayne Carpendale | | Olchi-Papa (voice) |
| Tanja Esche | | Frau Muller (voice) |
| Gabi Franke | | Frau Burgermeisterin (voice) |
| Julian Helmes | | Messi (voice) |
| Gilles Karolyi | | Herr Hammer (voice) |
| Matthias Keller | | Burgermeister (voice) |
| Nils Kreutinger | | Herr Achse (voice) |
| Stefanie Mau | | Mutter im Park (voice) |
| Eleni Moller | | Motte (voice) |
| Gergana Muskalla | | Reporterin (voice) |
| Monika Müller-Heusch | | Olchi Oma (voice) |
| Olaf Pessler | | Herr Schnurrhahn (voice) |
| Gordon Piedesack | | Olchi Opa (voice) |
| Erik Rivera | | Oggly Dad |
| Oliver Schmitz | | Bauarbeiter 1-5 (voice) |
| Ellen Schulz | | Frau von Deo (voice) |
| Julie Sommer | | Madchen im Park (voice) |
| Fanny Stollhans | | Lotta (voice) |