Terri McCulloch was a technician. She told Romana I that the submarine was made out of carbon nanotubes. She found K9 Mark II very useful. She was almost drowned when K9 malfunctioned. (AUDIO: Phantoms of the Deep) Retrieved from "https://tardis.fandom.com/wiki/Terri_McCulloch?oldid=2672329" Categories: Character stubs 21st century individuals Human technicians Humans with psychic powers Submarine crew + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.