Harry Sullivan (Doctor Who)

Dr. Harry Sullivan
Doctor Who character
First appearance	Robot (1974–1975)
Last appearance	The Android Invasion (1975)
Portrayed by	Ian Marter
Duration	1974–1975
In-universe information
Species	Human
Affiliation	Fourth Doctor UNIT Royal Navy
Home	Earth
Home era	20th century

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Harry Sullivan is a fictional character from the British science-fiction television series Doctor Who and is a companion of the Fourth Doctor. Played by Ian Marter, the character appears as a regular during the programme's twelfth season in 1974–1975. Harry appeared in 7 stories (27 episodes).