|“||I didn't know Tracy Beaker was coming back!||”|
Tracy ends up returning to the Dumping Ground following her foster parents' returning her there and finds her old room has been given to a new girl called Justine Littlewood, who ends up becoming Tracy's arch-nemesis.
- Dani Harmer as Tracy Beaker
- Montanna Thompson as Justine Littlewood
- Chelsie Padley as Louise Goven
- Joe Starrs as Peter Ingham
- Sonny Muslim as Ryan Patterson
- Jay Haher as Zac Patterson
- Rochelle Gadd as Adele Azupadi
- Luke Youngblood as Ben Batambuze
- Jerome Holder as Maxy King
- Sharlene Whyte as Jenny Edwards
- Connor Byrne as Mike Milligan
- Clive Rowe as Duke Ellington
- Tracy has returned to live in Stowey House I.
- The residents of Stowey House are: Adele, Justine, Louise, Maxy, Peter, Ryan, Tracy and Zac.
- In the scene where Mike and Peter hear Tracy return, Mike tells him to call "International Rescue" if he does not return. This is a reference to the puppet TV show Thunderbirds, which featured an organisation named "International Rescue".
- Stephen Lloyd-Crossley is not on the cast list despite being in the episode.