Harry Friberg receives a photo assignment at Lindarängen's airport in Stockholm. The assignment turns into a nightmare when the photographer is invited to a crayfish party by the company's director.
| Actor | Role |
|---|---|
 Örjan RambergHarry Friberg | Harry Friberg |
 Marie RichardsonLilly Sternmark | Lilly Sternmark |
 Jan WaldekranzGösta Sternmark | Gösta Sternmark |
 Stig GrybeVesper Johnson | Vesper Johnson |
 Hans BendrikClason | Clason |
 Åke LindmanDavid Dreyer | David Dreyer |
 Ewa CarlssonMadelaine Lenke | Madelaine Lenke |
 Björn AndrésenAxel Lenke | Axel Lenke |
 Thomas HanzonOhlsson | Ohlsson |
 Göran RagnerstamBrisman | Brisman |
 Susanne BarklundLena | Lena |
 Peter AnderssonPieter Ehr | Pieter Ehr |
| CCalle CarlswärdTaxi Driver | Taxi Driver |
| CCharlie ElvegårdNot listed | Not listed |
| EElisabeth BergNot listed | Not listed |
| KKarin EnbergWaitress | Waitress |
 Gösta KrantzMaitre D | Maitre D |
 Bertil NorströmStation Master | Station Master |
| OOle RängeCrime Detective #1 | Crime Detective #1 |
 Lars VäringerCrime Detective #2 | Crime Detective #2 |
| LLeif ZernDr. Gerhard | Dr. Gerhard |
 Camilla LundénHouse Maid | House Maid |
| AAnnika LevinNurse | Nurse |
| SStephan LauerVesper Johnson's Chaffeur | Vesper Johnson's Chaffeur |
| HHans KumlienCumstoms Officer | Cumstoms Officer |