The Controller betrays the Daleks and is exterminated. The Daleks travel back in time to the 20th Century to ensure that the peace conference fails.
| Name | Type | Role | |
|---|---|---|---|
| Louis Marks | Writer | ||
| Peter Messaline | Guest Star | ||
| Aubrey Woods | Guest Star | ||
| Maurice Bush | Guest Star | ||
| David Joyce | Guest Star | ||
| Anna Barry | Guest Star | ||
| Jimmy Winston | Guest Star | ||
| Geoffrey Todd | Guest Star | ||
| Frank Menzies | Guest Star | ||
| Wilfred Carter | Guest Star | ||
| Jean McFarlane | Guest Star | ||
| Oliver Gilbert | Guest Star | ||
| Bruce Wells | Guest Star | ||
| Andrew Carr | Guest Star | ||
| Valentine Palmer | Guest Star | ||
| Rick Newby | Guest Star | ||
| Alex MacIntosh | Guest Star | ||
| Paul Bernard | Director |