Jeff and Jeannie are hired to investigate what is happening at the home of an eccentric family. But so are their arch-rivals Marshall & Snellgrove, another firm of private detectives, who use the offices below theirs.
| Name | Type | Role | |
|---|---|---|---|
| Charlie Higson | Writer | ||
| Colin McFarlane | Guest Star | ||
| John Dougall | Guest Star | ||
| Shaun Parkes | Guest Star | ||
| Metin Hüseyin | Director |