Geoffrey Baxter (TV: The Christmas Invasion) was a Data Cypher (PROSE: The Time Traveller's Almanac [+]Steve Tribe, BBC Books (2008). Chapter 3, "Everything Changes"; Page 82.) and UNIT adviser in the UNIT base beneath the Tower of London. As his blood group was A+, he was hypnotised by the Sycorax. (TV: The Christmas Invasion)
Behind the scenes[]
- Ian Hilditch was not credited for his appearance in The Christmas Invasion. His character name and appearance in the episode were acknowledged in the reference book Doctor Who: The Encyclopedia.