A little boy has a tiger as a pet, but it's a secret. The widemouth of the apartment building is Miss Kotilainen, who is always complaining about everything. Other people in the building have their own secrets too. After a lot of those secrets are uncovered, a party is held that melts the heart of Miss Kotilainen. After that, Kalle the Tiger won't have to be hidden no more.
| Directing | Liisa Helminen | Director |
| Directing | Tini Sauvo | Director |
| Writing | Päivi Hartzell | Writer |
| Writing | Liisa Helminen | Writer |
| Writing | Tini Sauvo | Writer |
| Production | Liisa Helminen | Producer |
| Production | Tini Sauvo | Producer |
| Crew | Erkki Salmela | Cinematography |
| Editing | Liisa Helminen | Editor |
| Editing | Olli Soinio | Editor |
| Art | Tini Sauvo | Painter |
| Sound | Åke Andersson | Sound |
| Sound | Reino Iso-Aho | Sound |
| Sound | Pauli Vellonen | Sound |
| Visual Effects | Tini Sauvo | Animation |
| Sound | Juhani Aaltonen | Musician |
| Sound | Iro Haarla | Musician |
| Sound | Tero Sarikoski | Musician |
| Sound | Mircea Stan | Musician |
| Sound | Päivi Takala | Musician |
