Een film gebaseerd op de populaire kinderboeken van Marjatta Kurenniemi over de heldendaden van Jill And Joy.
Nee, helaas is Onneli, Anneli ja Salaperäinen muukalainen nog niet beschikbaar op Netflix in Nederland.
| Camera | Marita Hällfors | Director of Photography |
| Sound | Olli Pärnänen | Sound Re-Recording Mixer |
| Sound | Anna-Mari Kähärä | Original Music Composer |
| Directing | Saara Cantell | Director |
| Writing | Sami Keski-Vähälä | Screenplay |
| Sound | Heikki Kossi | Foley Artist |
| Camera | Tanja Glad | Second Assistant Camera |
| Camera | Janina Witkowski | Second Assistant Camera |
| Lighting | Manu Haapala | Gaffer |
| Lighting | Miska Rämö | Best Boy Lighting Technician |
| Production | Alec Orko | Assistant Location Manager |
| Writing | Marjatta Kurenniemi | Book |
| Sound | Pelle Venetjoki | Sound Editor |
| Directing | Jolle Onnismaa | Assistant Director |
| Sound | Tuomas Järnefelt | Production Sound Mixer |
| Sound | Antti Onkila | Boom Operator |
| Directing | Sini Hormio | Script Supervisor |
| Lighting | Tomi Lakonen | Lighting Technician |
| Editing | Pentti Keskimäki | Colorist |
| Production | Asta Viertola | Production Manager |
| Camera | Petri Kiljunen | First Assistant Camera |
| Sound | Pietari Koskinen | Sound Re-Recording Mixer |
| Camera | Paco Bouazza | Digital Imaging Technician |
| Directing | Emma Heino | Second Assistant Director |
| Sound | Pietu Korhonen | Foley Editor |
| Editing | Juuso Selin | Online Editor |
| Visual Effects | Juuso Selin | VFX Artist |
| Crew | Raine Toikkanen | Special Effects Technician |
| Camera | Olli Kukkonen | Grip |
| Visual Effects | Tero Malinen | VFX Artist |
| Visual Effects | Lasse Kilpiä | VFX Artist |
| Visual Effects | Matti Kaihola | VFX Artist |
| Visual Effects | Sami Syrjä | VFX Artist |
| Art | Riina Sipiläinen | Property Master |
| Visual Effects | Sakari Raappana | VFX Artist |
| Art | Kaisa Saarela | Property Master |
| Visual Effects | Ville Koivuranta | VFX Artist |
| Visual Effects | Miika Puustinen | VFX Artist |
| Visual Effects | Mikko Lahti | VFX Artist |
| Art | Minna Santakari | Production Design |
| Visual Effects | Tuomo Hintikka | VFX Artist |
| Costume & Make-Up | Auli Turtiainen-Kinnunen | Costume Design |
| Sound | Pietari Koskinen | Sound Designer |
| Production | Teea Hyytiä | Producer |
| Production | Sari Lempiäinen | Producer |
| Costume & Make-Up | Anu Rokkanen | Makeup Designer |
| Editing | Anne Lakanen | Editor |
| Production | Anniina Sipola | Production Assistant |
| Production | Lotta Lanamäki | Location Manager |
