Willie, a sweet little woodworm, accidentally becomes a stowaway on Noah's Ark and Noah and the animals believe he is drilling holes into the wooden boat. Can Willie really be responsible?
| Actor | Role |
|---|---|
| WWolfgang ZifferWilli Holzwurm | Willi Holzwurm |
 Dagmar BienerAlice Holzwurm | Alice Holzwurm |
 Arnold MarquisNoah | Noah |
 Friedrich SchoenfelderDer "Chef" | Der "Chef" |
| HHeinz Theo BrandingAlt-Holzwurm | Alt-Holzwurm |
| SSantiago ZiesmerMax Specht | Max Specht |
 Helmut KraussMister Grizzly | Mister Grizzly |
| HHeinz RabeGenosse Braunbär | Genosse Braunbär |
| EEdgar OttElefant | Elefant |
 Kurt GoldsteinTiger | Tiger |
| LLothar KösterLöwe | Löwe |
| EEberhard PrüterRabe | Rabe |
| AAlexander HerzogWalross Argos | Walross Argos |
| AAndrea BrixSchlange | Schlange |
| HHermann EbelingAdler | Adler |
 Stefan BehrensWildkater | Wildkater |
| WWilfried HerbstGeier | Geier |
| EEberhard StoreckLeopard | Leopard |
| HHannelore MinkusFrau Noah | Frau Noah |
| SStefan GosslerSam | Sam |
 Lutz RiedelHam | Ham |
| KKarl SchulzJafet | Jafet |
| TTarek HelmyBert Holzwurm | Bert Holzwurm |
| SSimon JägerArchibald Holzwurm | Archibald Holzwurm |
 H.H. MüllerGürteltier (voice) | Gürteltier (voice) |