
100 minutes
10/23/1976
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...

Tom Baker
as The Doctor

Elisabeth Sladen
as Sarah Jane Smith

Stephen Thorne
as Kastrian Eldrad

Judith Paris
as Eldrad (female form)
Roy Pattison
as Zazzka

Roy Skelton
as King Rokon
Rex Robinson
as Dr. Carter

Glyn Houston
as Professor Watson
Frances Pidgeon
as Miss Jackson

John Cannon
as Elgin
David Purcell
as Abbott

Renu Setna
as Intern
Robin Hargrave
as Guard

Roy Boyd
as Driscoll