Doctor Who and the Silurians
Overview
Investigating mysterious power failures and a death at an underground research centre, The Doctor discovers a colony of Silurians - prehistoric, intelligent reptiles who went into hibernation before man evolved. But now they have woken up, and they are prepared to wipe out mankind with a killer plague to get their planet back.
Cast

Jon Pertwee
The Doctor

Caroline John
Liz Shaw

Nicholas Courtney
Brigadier Lethbridge-Stewart

Fulton Mackay
Dr. Quinn

Norman Jones
Major Baker

Peter Miles
Dr. Lawrence
Thomasine Heiner
Miss Dawson
John Newman
Spencer

Geoffrey Palmer
Masters