Harry Sullivan (Doctor Who)

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Harry Sullivan
Harry Sullivan
Doctor Who character
First appearanceRobot
Last appearanceThe Android Invasion
In-universe information
SpeciesHuman
OccupationDoctor
AffiliationUNIT
HomeEarth


Harry Sullivan is a fictional character from the long-running British science fiction television series Doctor Who. He is portrayed by Ian Marter. Harry is a medical doctor and an officer in the United Nations Intelligence Taskforce (UNIT), an international military organization that defends Earth from extraterrestrial threats.

Character History[edit | edit source]

Harry Sullivan first appears in the serial "Robot", which is the first story of the Fourth Doctor era. He is introduced as a medical officer assigned to UNIT, working alongside the Brigadier Lethbridge-Stewart. Harry becomes a companion to the Fourth Doctor, played by Tom Baker, and travels with him and Sarah Jane Smith in the TARDIS.

Role in Doctor Who[edit | edit source]

Harry's character is depicted as brave, loyal, and somewhat bumbling, often providing comic relief. Despite his occasional clumsiness, he proves to be a valuable ally to the Doctor and Sarah Jane. He appears in several serials, including:

Harry's final regular appearance is in "The Android Invasion," after which he returns to his duties at UNIT. He makes a brief cameo in the serial The Seeds of Doom.

Legacy[edit | edit source]

Harry Sullivan is remembered as one of the more endearing companions of the Fourth Doctor. His character's blend of courage and humor left a lasting impression on fans of the series. Ian Marter, who portrayed Harry, also contributed to the Doctor Who universe by writing several novelizations of the series' episodes.

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Contributors: Prab R. Tumpati, MD