| Series | |
|---|---|
| Hosts | |
| Judges | |
| Winners | |
| Runners-up | |
| Notable contestants | Connie Talbot · The Bar Wizards · Escala · Kate and Gin · Andrew Johnston · Faryl Smith · Susan Boyle · [Shaheen Jafargholi] |
Host and judge names shown in italics are no longer a part of the show. | |