Full name

Doctor

First Seen

Last Seen (regular)

 Dr Harry Sullivan

4

Robot

The Android Invasion

Bio:

Harry was a doctor in the Royal Navy, attached to UNIT and given the task of treating the newly regenerated fourth Doctor. Harry travelled with the Doctor briefly before deciding to remain with UNIT and a quieter life on Earth.

Additional Comments:

Harry refutes the accusation that he is an imbecile, saying that the Doctor in question was not medically qualified.

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Played by:

Ian Marter