| Episode credited cast: |
 | Kai Pflaume | - | Himself - Host |
| Rest of cast listed alphabetically: |
 | Nele Adam | - | Herself (Handball-Duell) (as Nele) |
| Simon Berthold | - | Himself (Bass-Duell) (as Simon) |
| Alexander Bommes | - | Himself |
| Andreas Bretschneider | - | Himself |
| Gert-Peter Brüggemann | - | Himself (as Prof. Gert-Peter Brüggemann) |
| Anton Bulka | - | Himself (Zugstemm-Duell) (as Anton) |
 | Dietmar Bär | - | Himself |
| Nôa Elif | - | Herself (Grundgesetz-Duell) (as Nôa) |
| Frowin Fasold | - | Himself - Co-Juror (as Dr. Frowin Fasold) |
| Dominik Fröch | - | Himself (Vorwahlnummer-Duell) (as Dominik) |
| Ilona Gerling | - | Herself - Juror |
| Serge Gnabry | - | Himself |
| Stefan Hengst | - | Himself |
| Alexander Hold | - | Himself |
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