The Doctor, Steven and Sara are accidentally transported to the planet Mira where Chen sends the Daleks after them.
| Name | Type | Role | |
|---|---|---|---|
| Terry Nation | Writer | ||
| James Hall | Guest Star | ||
| Bill Meilen | Guest Star | ||
| John Herrington | Guest Star | ||
| Maurice Browning | Guest Star | ||
| Jean Marsh | Guest Star | ||
| Douglas Camfield | Director |