Last regular appearance: Terror Of The Zygons
Lieutenant Harry Sullivan has also appeared in:
Ian Marter has also appeared in:
- Carnival Of Monsters as Andrews
Harry Sullivan was tricked into the TARDIS by the newly regenerated Doctor, and left at his first opportunity. During his travels he met up with Daleks, Cybermen, and Sontarans. He was UNIT's medical officer, and was the only UNIT officer to seriously travel in the TARDIS.
- London, Earth (20th century)
- Navy Doctor