Crab No. 7 follows Jennifer, a controlling mother who interferes in her nine-year-old daughter's audition in order to live out her own dreams.
| Actor | Role |
|---|---|
 Siubhan HarrisonJennifer | Jennifer |
 Vivienne RowlandJenny | Jenny |
| NNicki Li-MarshJudge 1 | Judge 1 |
| SSven IronsideJudge 2 | Judge 2 |
 Daniel Quincy AnnohJudge 3 | Judge 3 |