As the mysterious mud encroaches even further, the new town of Redlow is declared a Disaster Area and a complete evacuation is underway.

Now even local MP Hugh Deverill is feeling the effects...

Starring Roger Delgado and Maurice Denham.

Victor Pemberton's sci-fi mystery serial.

Hugh Deverill, MP …. Maurice Denham
Josef Gomez …. Roger Delgado
Inspector Baxter …. Geoffrey Matthews
Pilot …. Anthony Jackson
Ground Control …. Brian Hewlett
Sergeant Johnson …. Wilfred Babbage
Professor Lippert …. Allan McClelland
Dr Ken Richards …. David Spenser
Professor Landers …. Rolf Lefebvre
Margaret Griffiths, MP …. Joan Matheson
Anna Deverill …. Marion Mathie
RAF Corporal …. Anthony Hall
Mrs Luke …. Noel Hood

Special Effects: The BBC Radiophonic Workshop

Producer: John Tydeman

First broadcast on the BBC Light Programme in March 1966. Show less