John Dearth

John Dearth was an English actor, known for playing numerous roles in nearly 30 episodes of ITV series The Adventures of Robin Hood. He is also remembered for playing two villains in science fiction series Doctor Who: firstly voicing the maniacal supercomputer BOSS in Season 10 finale The Green Death and then portraying the greedy Lupton in the following season finale Planet of the Spiders.

The Saint · S1, E5

The Loaded Tourist

Simon witnesses a murder and finds himself in the midst of a mystery involving a faithless wife and smuggled jewels.
The Saint · S3, E3

Jeannine

Simon becomes interested in an oriental diplomat's pearl necklace.
Doctor Who · S10, E25

The Green Death

Captain Mike Yates is taken over by the super computer, BOSS and ordered to kill the Doctor. Cliff and Jo are trapped by the maggots as UNIT launch their attack.
Doctor Who · S11, E21

Planet of the Spiders: Part 1

The Doctor receives a mysterious package from his old companion, Jo Grant. Sarah joins Mike Yates to investigate sinister events at a Buddhist meditation centre.
Doctor Who · S11, E22

Planet of the Spiders: Part 2

Lupton, now under the control of a giant spider, infiltrates UNIT HQ and steals the Metebelis crystal. But the Doctor is unwilling to give it up so easily and a chase begins.
The Buccaneers · S1, E19

Blood Will Tell

A trader's estate is in jeopardy when the heir is missing.

John Dearth

Guest Appearances