While the Doctor goes to confront the Sisterhood to seek a cure for Sarah Jane's blindness, Solon realizes that he must transfer Morbius' brain into a new body before it is too late.
| Name | Type | Role | |
|---|---|---|---|
| Robert Holmes | Writer | ||
| Robin Bland | Writer | ||
| Terrance Dicks | Writer | ||
| Janie Kells | Guest Star | ||
| Colin Fay | Guest Star | ||
| Gilly Brown | Guest Star | ||
| Gabrielle Mowbray | Guest Star | ||
| Michael Spice | Guest Star | ||
| Veronica Ridge | Guest Star | ||
| Cynthia Grenville | Guest Star | ||
| Stuart Fell | Guest Star | ||
| Sue Bishop | Guest Star | ||
| Philip Madoc | Guest Star | ||
| Christopher Barry | Director |