Given that this story takes place in the Wishverse+Stargate pre-series the following holds true for which canon characters, besides Buffy, will or will not appear though not all characters will be listed.
- Buffy Characters
- (Vampire) Willow Rosenberg - Appeared to be killed (by Oz) in The Wish. Dies again in Doppelgangland
- (Vampire) Xander Harris - Killed by Buffy in The Wish
- Angel - Killed by Xander in The Wish
- Cordelia Chase - Killed in The Wish
- Joyce Summers - explained in story
- Dawn Summers - explained in story
- Rupert Giles - explained in story
- Quentin Travers - explained in story
- Wesley Wyndam-Pryce - explained in story(?)
- Anya - Unknown
- Oz - Unknown
- Faith - Unknown (never became a slayer)
- Kendra - Unknown (never became a slayer)
- Tara - Unknown
- Riley Finn - Unknown
- Graham Miller - explained in story
- Amy Madison - Unknown
- Stargate Characters
- Daniel Jackson- Unknown
- Jack O'Neill- explained in story
- Samantha Carter - explained in story
- General Hammond - explained in story
- Janet - explained in story
- Teal'c - unknown
