Known as a “kindly killer”, this documentary details Nilsen’s moves between 1978 and 1983, after which he admitted to killing as many as 15 young men.
| Actor | Role |
|---|---|
 David TennantNarrator (voice) | Narrator (voice) |
| DDennis NilsenHimself (archive Audio/Footage) | Himself (archive Audio/Footage) |
 David WilsonHimself | Himself |