Two villains escape from jail in London. They are planning an attack on Agaton Sax. Inspector Lispington and Sax are chasing the two bad guys, but the hunt is hampered by the villains have lookalikes.
| Actor | Role |
|---|---|
 Olof ThunbergAgaton Sax (voice) | Agaton Sax (voice) |
 Stig GrybeMr. Lispington (voice) | Mr. Lispington (voice) |
 Isa QuenselAunt Tilda (voice) | Aunt Tilda (voice) |
 Helge HagermanAntonsson (voice) | Antonsson (voice) |
 Per SjöstrandMosca / McSnuff (voice) | Mosca / McSnuff (voice) |
 Leif LiljerothScott / Amber (voice) | Scott / Amber (voice) |
| SStig LassebyThinking August (voice) | Thinking August (voice) |
 Bert-Åke VargNarrator (voice) | Narrator (voice) |
| AAnnica Risberg(voice) | (voice) |