Johnny Puff and his friends go on a secret mission to save Taigasville from the evil plans of the villainous engineer Otto von Walrus.
Unfortunately the movie Johnny Puff: Secret Mission is not yet available on HBO Max.
| Production | Néstor F. Dennis | Producer |
| Directing | Néstor F. Dennis | Director |
| Production | Néstor F. Dennis | Producer |
| Production | Tatjana Žeželj Gojković | Producer |
| Writing | Néstor F. Dennis | Writer |
| Production | Andrea Lervolino | Producer |
| Production | Nicola Allieta | Line Producer |
| Production | Monika Bacardi | Producer |
| Editing | Néstor F. Dennis | Editor |
| Production | Miloš Biković | Producer |
| Sound | Nemanja Mosurović | Original Music Composer |
| Writing | Ivan Zekić | Writer |
| Writing | Vukasin Soc | Writer |
| Writing | Mateja Popović | Writer |
| Writing | Stojan Đorđević | Writer |
| Writing | Petar Mihajlović | Writer |
| Writing | Jelena Andelovski | Writer |
