|Place of origin:||Earth|
|Appearance:||Doctor Who and the Silurians|
|Main actor:||John Newman|
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Spencerfor other, similarly-named pages.
Spencer was a technician at the Wenley Moor nuclear research facility. Davis and he went potholing in the caves under Wenley Moor, where they were attacked by a dinosaur. Davis was killed, and Spencer succumbed to race memories of Silurians. He was then taken to to the sickbay of the facility and put under the care of Dr Meredith. He later tried to strangle the Third Doctor. (TV: Doctor Who and the Silurians)