Cast & crew
IMP · Season 1
Nobody is recorded for this season on its own, so this is the whole show's cast.
Cast
| Stephen Mangan | Imp |
| Gavin Mitchell | Stitch (Voice) |
| Helen McAlpine | Lumen |
| Constantino Romero | Imp |
| Julian Rhind-Tutt | English Bob |
IMP · Season 1
Nobody is recorded for this season on its own, so this is the whole show's cast.
| Stephen Mangan | Imp |
| Gavin Mitchell | Stitch (Voice) |
| Helen McAlpine | Lumen |
| Constantino Romero | Imp |
| Julian Rhind-Tutt | English Bob |