MobileAct Unsigned Online
| Credited cast: | |||
 | Alex Zane | - | Himself - Host |
 | Alex James | - | Himself - Judge |
 | Lauren Laverne | - | Herself - Judge |
 | Simon Gavin | - | Himself - Judge |
 | Kelly Osbourne | - | Herself - Judge |
 | Jo Whiley | - | Herself - Judge |
| Rob Shah | - | Himself - Hip Parade |
| David Flavell | - | Himself - Hip Parade |
| Sal Shah | - | Himself - Hip Parade |
| Kris McDines | - | Himself - Hip Parade |
 | Toby Sebastian | - | Himself |
| Bo Bruce | - | Herself |
| Geoff Foulkes | - | Contestant |
| Samuel Baylis | - | Contestant |
| Rest of cast listed alphabetically: | |||
 | Sebastian Deery | - | Himself - Lavondyss |