Mark's plans for a productive week off work go out the window when his sister comes to stay and, of course, Jeremy clearly has the hots for her.
| Name | Type | Role | |
|---|---|---|---|
| Jesse Armstrong | Writer | ||
| Sam Bain | Writer | ||
| Sophie Winkleman | Guest Star | ||
| Eliza Bennett | Guest Star | ||
| Tristram Shapeero | Director |