Identical twins Kate and Chris Lockhart plot to be the other sister – at Kate’s office and Chris’ school – and take on planning their sister’s Christmas events. One rule, though: no romance.
| Actor | Role |
|---|---|
 Candace Cameron BureKate / Chris | Kate / Chris |
 Eion BaileyTom | Tom |
 Natasha BurePiper | Piper |
 Mark DeklinGreg | Greg |
 Cooper JohnsonGabe | Gabe |
 Walter PlatzEd | Ed |
| JJames JamisonPrincipal Bumner | Principal Bumner |
| BBen OlsenDylan | Dylan |
| JJessica VilleneuveEmily | Emily |
 Natalie SalinsMrs. Walker | Mrs. Walker |
| AAngella JoyCo-Worker | Co-Worker |
 Mark BlockovichParty Attendee | Party Attendee |
 Marilyn MillerOffice Employee | Office Employee |
| HHannah GabelHigh School Student | High School Student |
 Rachel PaceTeen Kate | Teen Kate |
 Amanda PaceTeen Chris | Teen Chris |
 Kyle ClarkTeen Tom | Teen Tom |
 Kristen Marie JensenGrace | Grace |
 Brad JohnsonJasper | Jasper |