Directed by
| Robert P. Olsson | ||
Writing Credits (in alphabetical order)
| Björn-Erik Karlsson | ... | (screenplay) |
| H.P. Lovecraft | ... | (inspiration) |
| Robert P. Olsson | ... | (screenplay) |
Cast (in credits order)
 |
Robert Johansson | ... | Investigator #1 |
| Robert P. Olsson | ... | Investigator #2 (voice) | |
Produced by
| Robert P. Olsson | ... | producer |
Music by
| Johan Strende | ||
Cinematography by
| Kristoffer Andrén | ||
Editing by
| Ulf Norström | ||
| Robert P. Olsson | ||
Sound Department
| Ulf Norström | ... | sound recordist |
| Kristoffer Andrén | ... | sound (uncredited) |
| Johan Strende | ... | sound effects editor (uncredited) |
Camera and Electrical Department
| Kristoffer Andrén | ... | electrician |
Additional Crew
| Björn-Erik Karlsson | ... | subtitle script |
| Robert P. Olsson | ... | subtitle editor |
| Tommy Staaff Karlsson | ... | co-subtitler (as Royal Karlsson) |
Thanks
| H.P. Lovecraft | ... | thanks |
| Britt-Inger Norström | ... | thanks |
| Hans Norström | ... | thanks |
| Roland Olsson | ... | thanks |
| Ulla Olsson | ... | thanks |
