* ActingForTwo: Jane Horrocks, who plays both Bubble and overly cheerful TV star Katy Grin.
* DawsonCasting: 16-year-old Saffron is played by 24-year-old Julia Sawalha. Also somewhat inverted with Edina: when Edina turned 40, Jennifer Saunders was actually only 34.
* HeyItsThatGuy:
** One of Saffron's student friends went on to join Series/{{Torchwood}}.
** Patsy and [[Series/{{NCIS}} Ducky]] used to [[Series/SapphireAndSteel be mysterious time agents...]] [[MindScrew or something, IDK]].
** Patsy's sister Jackie is [[Series/DoctorWho the Rani]].
** Mo Gaffney is a recurring actress.
** Patsy once tried to get into bed with [[TheWire Stringer Bell]].
** Creator/NataschaMcElhone (''Series/{{Californication}}'') plays a snooty gallery girl in the episode "Death."
** Creator/HelenaBonhamCarter plays an alternate-reality version of Saffron in a DreamSequence of Eddy's, while Germaine Greer is Mother, Creator/RichardEGrant is Justin and [[Film/ThunderBirds Lady Penelope]] turns up too.
** Marianne Faithful makes a recurring appearance as God.
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