* TheCameo: A handful of established English comedians make fleeting, blink-and-you'll-miss-it appearances, adding to the already ensemble cast:
** Julia Davis as Honda Poppet, a miserable and depressed weatherwoman on TV
** Stephen Mangan as Rod Senseless, an aggressive and scary porn star in Toby's porno rental, ''Daylight Roddery''
** Kevin Eldon as Nikolai the barber
** Mathew Horne as the beleaguered sales assistant in the Bumphuk clothes store
** Oliver Chris as Max Herbert, features editor at The Weekend on Sunday
* TheDanza: Claire Keelan playing Claire Ashcroft.
* TheOtherDarrin: In the pilot episode, Mandy is played by a different actor, Kate Fleetwood. Although they both run through the same basic plot (starring in Claire's film about prostitution), Kate Fleetwood's Mandy is a totally different character to Ophelia Lovibond's Mandy.
* YouLookFamiliar: Rufus Onslatt's actor, Spencer Brown, plays a different character in the pilot episode - he appears as 15Peter20's PR manager in the art exhibition at Place. For the main series, Spencer was re-cast as Rufus (who didn't exist in the pilot), and the art exhibition was re-shot with Jolyon Rubinstein playing the PR manager instead.
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