It's the semi-final, but only four of the six remaining hopefuls can go through to the final. This week, they get advice from a singing sensation and star of the Mamma Mia! films.
| Name | Type | Role | |
|---|---|---|---|
| Brona C. Titley | Writer | ||
| Zoe Ball | Host | ||
| Diccon Ramsay | Director | ||
| Rob Davies | Director |