Doctor Who: Invasion of the Dinosaurs
Overview
The Third Doctor and Sarah arrive in 1970s London to find it has been evacuated because dinosaurs have appeared mysteriously. It turns out the dinosaurs are being brought to London via a time machine to further a plan to revert London to a pre-technological level.
Cast

Jon Pertwee
The Doctor

Elisabeth Sladen
Sarah Jane Smith

Nicholas Courtney
Brigadier Lethbridge-Stewart

Richard Franklin
Mike Yates

John Levene
Sergeant Benton
Noel Johnson
Sir Charles Grover

Peter Miles
Professor Whittaker

Martin Jarvis
Butler

John Bennett
General Finch
Terence Wilton
Mark

Carmen Silvera
Ruth
Brian Badcoe
Adam