| Astrid Lindgren |
– Playwright |
| Esther Reiss |
– Translation |
| Tony Totino |
– Direction |
| Roy Hellvin |
– Musical direction |
| Per Horn |
– Stage design |
| Marianne Forsberg |
– Costume design |
| Harald Haugen |
– Lighting design |
| Duc Mai-The (from March 17, 1998 to June 1998) |
– Actor (Kjell) |
| Torun Meyer (from September 14, 1998) |
– Actor (Kjell) |
| Sidsel Ryen |
– Actor (Mamma/rottas hjelper) |
| Per Skjølsvik |
– Actor (Pappa/rotta) |
| Trine Wenberg Svensen |
– Actor (Per Pusling) |
| Marit Syversen |
– Actor (Tante Hulda) |
| Tom Berg |
– Musician (Saxofon, Klarinett) |
| Finn Eriksen |
– Musician (Trompet) |
| Karl Johan Kalle Helgesen |
– Musician (Gitar) |
| Bjørn Jacobsen |
– Musician (Bass) |
| Leif Oddvar Osen |
– Musician (Trommer) |
| Lillan Winther |
– Wigmaking |
| Birgitta Bjørnstad |
– Prompter |
| Anne Winger |
– Administration (Salgsleder) |
