

175 minutes
3/14/1970
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.

Jon Pertwee
as The Doctor

Caroline John
as Liz Shaw

Nicholas Courtney
as Brigadier Lethbridge-Stewart

Fulton Mackay
as Dr. Quinn

Norman Jones
as Major Baker

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

Geoffrey Palmer
as Masters
Ian Cunningham
as Dr. Meredith

Paul Darrow
as Captain Hawkins
Roy Branigan
as Roberts
Bill Matthews
as Davis
Nancie Jackson
as Doris Squire
Gordon Richardson
as Squire

Pat Gorman
as Silurian
Paul Barton
as Silurian
Simon Cain
as Silurian
John Churchill
as Silurian
Dave Carter
as Silurian

Peter Halliday
as Silurian (voices)