The Cyber Controller has been revitalised after leaving the icy tomb, threatening to overpower his human foes. The Doctor is determined to return the Cybermen to their long sleep.
| Name | Type | Role | |
|---|---|---|---|
| Gerry Davis, Kit Pedler | Writer | ||
| Hans De Vries | Guest Star | ||
| Ronald Lee | Guest Star | ||
| George Roubicek | Guest Star | ||
| Aubrey Richards | Guest Star | ||
| Kenneth Seeger | Guest Star | ||
| George Pastell | Guest Star | ||
| Shirley Cooklin | Guest Star | ||
| Charles Pemberton | Guest Star | ||
| Morris Barry | Director |