The Mona Lisa vows to free the dreaded abomination from its prison - and Clyde is the key!
| Name | Type | Role | |
|---|---|---|---|
| Phil Ford | Writer | ||
| Jeff Rawle | Guest Star | Mr Harding | |
| Liza Sadovy | Guest Star | Miss Trupp | |
| Paul Kasey | Guest Star | Highwayman | |
| Suranne Jones | Guest Star | Mona Lisa | |
| Joss Agnew | Director |