- Tobias Wilson
- Rachel Wilson (scrapped)
- Jackie Wilson
- Harold Wilson
- Jackie's grandfather (presumed deceased)
- The first names of every member of the family (possibly excluding Jackie's grandfather) are spelled with six letters.
- The males both have cloud-like bodies, while both females look humanoid.
- Because Ben Bocquelet and some of the show's staff disliked Rachel's appearance in "The Party," her character has been largely scrapped, save for a brief flashback in "The Matchmaker."
- Rupert Degas (Tobias, Season 1)
- Hugo Harold-Harrison (Tobias, Season 2 onwards)
- Jessica McDonald (Rachel)
- Kerry Shale (Harold)
- Teresa Gallagher (Jackie)
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