Overview
When the TARDIS lands in a quarry on Earth, Sarah unearths what appears to be a fossilised hand, buried in one-hundred-fifty-million-year-old strata. Analysis shows the hand to be silicon-based and inert, but when Sarah begins to act as if possessed, the Doctor suspects that it may still be alive...
Director: Lennie Mayne
Cast
Tom Baker
The Doctor
Elisabeth Sladen
Sarah Jane Smith
Stephen Thorne
Kastrian Eldrad
Judith Paris
Eldrad (female form)
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Roy Pattison
Zazzka
Roy Skelton
King Rokon
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Rex Robinson
Dr. Carter
Glyn Houston
Professor Watson
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Frances Pidgeon
Miss Jackson
John Cannon
Elgin
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