Dirtysomething centres around young lovers Becca and Dog, an older fellow traveller, sage Larry, and is about the pitfalls of giving up the alternative 'crustie' liftestyle of no fixed abode and travelling to settle down.
| Actor | Role |
|---|---|
 Rachel WeiszBecca | Becca |
 Paul ReynoldsDog | Dog |
 Bernard HillLarry | Larry |
 Rufus SewellClive | Clive |
 Walter SparrowBill | Bill |
 Susannah DoyleJuliet | Juliet |
 Russell De RozarioPhlem | Phlem |
| JJamie WilsonMuppet | Muppet |
| SSniffLeggit | Leggit |