National treasure Stephen Fry drops in for a tweet, the hilarious Bill Bailey takes the comedy chair, Annie Lennox and David Gray provide music and chat, and there is some canine therapy for Graham's pooches with dog whisperer Cesar Millan.
| Name | Type | Role | |
|---|---|---|---|
| David Gray | Guest Star | ||
| Cesar Millan | Guest Star | ||
| Stephen Fry | Guest Star | ||
| Bill Bailey | Guest Star | ||
| Annie Lennox | Guest Star | ||
| Steve Smith | Director |