The Gorilla Gang
When another dead elderly gentleman is fished out of the Thames, Inspector David Perkins is convinced that the gorilla gang is active again. On a doll found with the body, characters of an African language are discovered. Together with Sergeant Pepper and language specialist Susan MacPherson, the search for the head of the gang begins.
| Actor | Role |
|---|---|
 Horst TappertInsp. David Perkins | Insp. David Perkins |
 Uschi GlasSusan McPherson | Susan McPherson |
 Uwe FriedrichsenSgt. Jim Pepper | Sgt. Jim Pepper |
 Hubert von MeyerinckSir Arthur | Sir Arthur |
 Herbert FuxMr. Sugar | Mr. Sugar |
 Inge LangenOberin | Oberin |
| BBeate HasenauCora Watson | Cora Watson |
 Albert LievenHenry Parker | Henry Parker |
 Ilse PagéMiss Finley | Miss Finley |
 Hilde SessakSchwester Elizabeth | Schwester Elizabeth |
| RRalf SchermulyEdgar Bird | Edgar Bird |
 Maria LittoGloria | Gloria |
 Claus HolmDr. Jeckyll | Dr. Jeckyll |
 Ingrid BackPatsy | Patsy |
 Franz-Otto KrügerNot listed | Not listed |
| EEric VaessenNot listed | Not listed |
| CCatana CayetanoNot listed | Not listed |
| EErika FuhrmannNot listed | Not listed |
 Heidrun HankammerNot listed | Not listed |
| KKäthe Jöken-KönigNot listed | Not listed |
| UUschi MoodNot listed | Not listed |
 Ingrid SteegerNot listed | Not listed |
 Reinhold TimmNot listed | Not listed |
 Alfred VohrerNot listed | Not listed |
| GGeorg Richard WenkhausNot listed | Not listed |
| BBernd WilczewskiNot listed | Not listed |