'The Nightmare Cannon' by Eric Paice

In an effort to escape their Medusan pursuers, Adam and Shem capture a castle. Fulvia and Octavia demand that Earth’s authorities hand over their escaped servants, but are astonished to learn that the policemen of this world refuse to submit to their every whim. Undaunted, the two Medusan women take Professor Evan’s two assistants, Liz Becker and Rudi Schmidt, as hostages. They then prepare to unleash the fury of a fear-inducing weapon known as the Nightmare Cannon upon Adam and Shem…

Judy Geeson (Supreme Councillor Fulvia), Christiane Kruger (Security Chief Octavia), Pierre Brice (Adam), Gareth Thomas (Shem), Lisa Harrow (Liz Becker), Christian Quadflieg (Rudi Schmidt), Derek Farr (Professor Evans), Graham Crowden (Minister), Alfie Bass (Gatekeeper), Norman Warwick (Police Desk Sergeant)

Directed by
Produced by Wolfgang Storch

TX:
UK: 22nd September, 1976

Notes:
*Featuring Supreme Councillor Fulvia, Security Chief Octavia, Adam, Shem, Liz Becker, Rudi Schmidt and Professor Evans