The Doctor and Ace reach the Psychic Circus, where the Doctor is imprisoned with the other contestants while Ace draws the attention of the Chief Clown.
| Name | Type | Role | |
|---|---|---|---|
| Stephen Wyatt | Writer | ||
| Gian Sammarco | Guest Star | ||
| Deborah Manship | Guest Star | ||
| Ian Reddington | Guest Star | ||
| Chris Jury | Guest Star | ||
| Ricco Ross | Guest Star | ||
| Jessica Martin | Guest Star | ||
| Kathryn Ludlow | Guest Star | ||
| Janet Hargreaves | Guest Star | ||
| T.P. McKenna | Guest Star | ||
| David Ashford | Guest Star | ||
| Daniel Peacock | Guest Star | ||
| Christopher Guard | Guest Star | ||
| Alan Wareing | Director |