Someone's stolen the crown jewels. And it was on Ant and Dec's watch! You had one job, boys...
| Actor | Role |
|---|---|
 Anthony McPartlinSelf | Self |
 Declan DonnellySelf | Self |
 Joanna LumleySelf | Self |
 Clare BaldingSelf | Self |
 Carol VordermanSelf | Self |
 Katherine JenkinsSelf | Self |
 Alan ShearerSelf | Self |
| JJessica Ennis-HillSelf | Self |
 Martin LewisSelf | Self |
 Alan TitchmarshSelf | Self |
 Gareth MaloneSelf | Self |
 Aled JonesSelf | Self |
 Shirley BasseySelf | Self |