A large city is in a state of panic, in workplaces and in homes people are discussing the terrible fate that has befallen a little girl named Birte. A sex offender has been at play, he has been haunting the city's parks and facilities for a long time, and his latest victim is Birte Elkær, daughter of the scientist Hans Elkær and his wife Martha. The police have deployed extra personnel, and they are now searching for the second day. Will the little girl be found alive?
| Actor | Role |
|---|---|
 Poul ReumertDr.med. Hans Ellekær | Dr.med. Hans Ellekær |
 Anna BorgMartha Ellekær | Martha Ellekær |
 Verna OlesenBirte Ellekær | Birte Ellekær |
 Ib SchønbergLaboratorieassistent | Laboratorieassistent |
| TTove GrandjeanFru Hammer | Fru Hammer |
| BBente LangeLisbeth Hammer | Lisbeth Hammer |
| BBirgit NilsenEn veninde | En veninde |
 Ilselil LarsenAnne | Anne |
 Edouard MielcheNot listed | Not listed |
 Karl JørgensenNot listed | Not listed |
 Per BuckhøjNot listed | Not listed |
 Paul PetersenNot listed | Not listed |
 Elith PioNot listed | Not listed |
 Asbjørn AndersenNot listed | Not listed |
 Aage Winther-JørgensenNot listed | Not listed |
 Henry NielsenNot listed | Not listed |
| IIrwin HasselmannNot listed | Not listed |
| LLotte HasselmannNot listed | Not listed |