* ActingForTwo: Jane Horrocks, who plays both Bubble and overly cheerful TV star Katy Grin.
* AlliterativeFamily By chance the main cast made up one of these : Jennifer Saunders, Joanna Lumley, Julia Sawalha, June Whitfield and Jane Horrocks.
* 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.
* MeanCharacterNiceActor: Joanna Lumley is a human rights activist who's campaigned for the rights of Gurkhas[[note]]Nepalese soldiers in the British Army[[/note]] to settle in Britain.
** Stern Character, CloudCuckooLander Actor: Julia Sawalha has repeatedly admitted that she's far more like Eddy than she is like Saffron.