While the Doctor plans a holiday to Metebelis Three, Jo and the Brigadier are intrigued by a mysterious death at a coal mine in Llanfairfach, which is being blamed on local company Global Chemicals.
Name | Type | Role | |
---|---|---|---|
Robert Sloman, Barry Letts | Writer | ||
Tony Adams | Guest Star | ||
Ray Handy | Guest Star | ||
Talfryn Thomas | Guest Star | ||
Mostyn Evans | Guest Star | ||
Ben Howard | Guest Star | ||
Michael E. Briant | Director |