The journalist Alf Mattson gets thoroughly drunk at his birthday party, where his wife announces that she intends to divorce him. He is knocked down on the street and is later carried home by a friend. The next day he is to fly to Budapest in order to make a report for the Stockholm television. Mattson disappears in Budapest.
| Actor | Role |
|---|---|
 Derek JacobiMartin Beck | Martin Beck |
 Judy WinterAina Mattsson | Aina Mattsson |
 Thomas OredssonNot listed | Not listed |
 Lasse StrömstedtNot listed | Not listed |
 Ferenc BácsNot listed | Not listed |
 Åke LagergrenNot listed | Not listed |
 Kjell BergqvistNot listed | Not listed |
 Staffan GötestamNot listed | Not listed |
 Helena BrodinNot listed | Not listed |
 Marianne AminoffNot listed | Not listed |
 Gösta PrüzeliusNot listed | Not listed |
 Meta VelanderNot listed | Not listed |
 Svante GrundbergNot listed | Not listed |
 Tomas NorströmNot listed | Not listed |
 Tomas BolmeNot listed | Not listed |