Avon secretly takes over the ship and flies it through a field containing enzymes which eat away at the Liberator's hull. They reach the planetoid Terminal, where Avon believes Blake is residing.
| Name | Type | Role | |
|---|---|---|---|
| Terry Nation | Writer | ||
| David Healy | Guest Star | ||
| Gillian McCutcheon | Guest Star | ||
| Heather Wright | Guest Star | ||
| Richard Clifford | Guest Star | ||
| Mary Ridge | Director |