Kent, Lasse, Olle and Sven are in their mid-twenties and have been friends since childhood. At a restaurant they meet two young women and one of them, Lena, becomes pregnant. Now, who is the father? Well, it's definitely not Kent, but the others convince him to accept the fatherhood.
| Actor | Role |
|---|---|
 Göran StangertzKent Fredriksson | Kent Fredriksson |
 Anki LidénLena Sjöberg | Lena Sjöberg |
 Thomas HellbergLasse Stark | Lasse Stark |
 Christer 'Bonzo' JonssonOlle Pettersson | Olle Pettersson |
 Ted ÅströmSven Risell | Sven Risell |
| MMai NielsenBettan Stark | Bettan Stark |
| IInger EllmanSiw Petterson | Siw Petterson |
 Anne KulleKatarina Risell | Katarina Risell |
| KKisa MagnussonSiri, Lena's friend | Siri, Lena's friend |
| IIngela Sjöströmphoto model | photo model |
 Gunnel Wadnerhead nurse | head nurse |
| BBo HalldoffKent's boss | Kent's boss |
 Ann-Marie AdamssonKent's coworker | Kent's coworker |
| GGun Zachariaspsychologist | psychologist |
| UUlf Håkan Janssongirl next to Lena at maternity ward's husband | girl next to Lena at maternity ward's husband |
 Marrit Ohlssonlady in elevator | lady in elevator |
 Christina Carlwindnurse | nurse |
| GGöte Claessonimage editor at Lasse Stark's | image editor at Lasse Stark's |
 Gunilla Nyroosbar girl | bar girl |