The Swedish IB (Information Bureau) agents Henry Malm and Richard Ramberg travel to the Finnish-Russian border in order to receive a KGB agent who wants to defect.

Thomas Hellberg
Rikard Ramberg

Jösta Hagelbäck
Henry Malm

Stina Ekblad
Helena

Jessica Zandén
Marcelle

Tomas Laustiola
Misja

Frej Lindqvist
Colonel Boberg

Heinz Hopf
The intellectual

Håkan Serner
Bertil

Walter Gotell
Efraim Grüner
Jan Dolata
Russian Colonel

Anna Godenius
Karin Ramberg

Jonas Bergström
Runesson

Hans Bendrik
Elder private detective
Mats Olof Olsson
Younger private detective
Kåre Santesson
Finnish doctor