A list of appearances by Harry Sullivan.
Television
Doctor Who
Season 11
- Planet of the Spiders (introduction; not seen but mentioned)
Season 12
- Robot (joins)
- The Ark in Space
- The Sontaran Experiment
- Genesis of the Daleks
- Revenge of the Cybermen
Season 13
- Terror of the Zygons (leaves)
- The Android Invasion (guest appearance)
Season 18
- Logopolis (flashback; archival footage)
Season 21
- Resurrection of the Daleks (flashback; archival footage)
Prose Stories
Novels
Companions of Doctor Who
- Harry Sullivan's War (solo; after leaving)
Virgin Missing Adventures
Past Doctor Adventures
- Millennium Shock (after leaving)
- The Face of the Enemy (as UNIT officer before meeting the Doctor)
- Wolfsbane (implied to have die shortly after this adventure)
Short Stories
Doctor Who Annual
- A New Life
- Avast There!
- The Hospitality on Hankus
- The Sinister Sponge
- The Mission
- Double Trouble
- The Eye-Spiders of Pergross
- Detour to Diamedes
- Secret of the Bald Planet
The Amazing World of Doctor Who
Doctor Who Magazine
Short Trips
- The Man from DOCTO(R)
- To Kill a Nandi Bear
- Suitors, Inc.
- UNIT Christmas Parties: Ships That Pass
- The Last Broadcast
- Nanomorphosis
- The Dragons of Prague
- Mutiny (solo)