Carl Gustav is 12 years old and particularly interested in comics and detective work. Gjengen is his friends, two boys and two girls of the same age and 'Rævedilter'n' Georg who is seven.
| Actor | Role |
|---|---|
| FFrank Arne JohansenCarl Gustav | Carl Gustav |
| MMerete AndersenSølvi | Sølvi |
| KKjetil BøeGeorg | Georg |
| MMarius HansteenEdvard | Edvard |
| JJarle RosenlundHenrik | Henrik |
| MMarianne ØversveenMargrethe | Margrethe |
 Henrik ScheeleLarris | Larris |