England, the near future. A strange anti-matter creature arrives on Earth and attacks UNIT HQ. It seems to be specifically seeking the Doctor out - but why? With the Time Lords themselves unable to help, it seems the only person who can help the Doctor is himself - or selves...
Name | Type | Role | |
---|---|---|---|
Bob Baker, Dave Martin | Writer | ||
Laurie Webb | Guest Star | ||
Roy Purcell | Guest Star | President of the Council | |
Patricia Prior | Guest Star | ||
Clyde Pollitt | Guest Star | ||
Denys Palmer | Guest Star | ||
Lennie Mayne | Director |