![](https://image.tmdb.org/t/p/w92/527ZX2VRPNKxWvhBLGvs13sDHOM.jpg)
Ebbe Rode
Lorentzen, alias "Naalen"
![](https://image.tmdb.org/t/p/w92/1xOUROxwjRD79hF9ge1C58jPRpR.jpg)
Tove Maës
Gudrun, laboratorieassistent
![](https://image.tmdb.org/t/p/w92/9U39emYqoB2i6s0LDbq5VXitUq7.jpg)
Gunnar Lauring
Larsen, kriminalkommissær
![](https://image.tmdb.org/t/p/w92/dPocBlyu07amIEd2MUfUdAROf6p.jpg)
Hans-Henrik Krause
Alex Birk, stud. med.
![](https://image.tmdb.org/t/p/w92/bQRHjMr9d6HpWigwGdOWTjX1L6D.jpg)
Louis Miehe-Renard
Oscar, Naalens håndlanger
![](https://image.tmdb.org/t/p/w92/8S4Az57ti9XYoxtNFZmx5ynYeIl.jpg)
Jørn Jeppesen
Stefan, Naalens håndlanger
![](https://image.tmdb.org/t/p/w92/uYRbKN9Th0KN2CSVKzaidUGAerp.jpg)
Sigrid Horne-Rasmussen
Værtinden
![](https://image.tmdb.org/t/p/w92/hR86CiDWg9UpyUNMIS3Ffx4uwg3.jpg)
Ove Sprogøe
Helmer, kriminalassistent
![](https://image.tmdb.org/t/p/w92/tNqKQFSZUQT2AnWFnoWJTJV1LyB.jpg)
Tove Bang
Fru Larsen
![](https://image.tmdb.org/t/p/w92/mNraIZsuoR557fqueHCgmrTKki1.jpg)
Lise Thomsen
Danselærerinde
Hans Egede Budz
Leder på insulinfabrikken
![](https://image.tmdb.org/t/p/w92/xc2HyW9a7cnufQX9fmhtF1bRBq6.jpg)
Tavs Neiiendam
Lægen
![](https://image.tmdb.org/t/p/w92/1XjW81pQVokOVA7GsQbxS0R2dsA.jpg)
Aage Winther-Jørgensen
En sortbørshaj
![](https://image.tmdb.org/t/p/w92/kDnN2rwKUhxHWHkkOlkbel5NJmt.jpg)
Henry Nielsen
Skolepedellen
![](https://image.tmdb.org/t/p/w92/ml3SO55aj8qp6778oNM2N07qu7v.jpg)
Karl Gustav Ahlefeldt
1. filmoperatør
![](https://image.tmdb.org/t/p/w92/vGRyIerPVtEXZyvGlj7GxAEJJxf.jpg)
Gyrd Løfquist
2. filmoperatør
![](https://image.tmdb.org/t/p/w92/m4iliUGQxY1sppb5joyRL6TxNtR.jpg)
Gunnar Strømvad
En laboratorieassistent