Performers from across the globe come together for the ultimate holiday concert LIVE from Madison Square Garden
| Actor | Role |
|---|---|
 Taylor SwiftSelf | Self |
 Nick JonasSelf | Self |
 Joe JonasSelf | Self |
 Kevin JonasSelf | Self |
 Camila CabelloSelf | Self |
 HalseySelf | Self |
 Luke HemmingsSelf | Self |
 Ashton IrwinSelf | Self |
 Calum HoodSelf | Self |
 Michael CliffordSelf | Self |
 Niall HoranSelf | Self |
 LizzoSelf | Self |
 Dan SmyersSelf | Self |
 Shay MooneySelf | Self |
 MINHYUKSelf | Self |
 HYUNGWONSelf | Self |
 WONHOSelf | Self |
 I.MSelf | Self |
 KIHYUNSelf | Self |
 JOOHONEYSelf | Self |
 SHOWNUSelf | Self |
 Lewis CapaldiSelf | Self |
 FLETCHERSelf | Self |
 LauvSelf | Self |