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Doctor is a formal title of a medical practitioner or a person holding a doctorate, and thus refers to the following:
The Original Series
- Horning, a doctor on Terra who examines Apollo and his equipment after he is captured by Brace.
- Paye, a Life Sciences officer on Galactica in "Saga of a Star World".
- Ravashol, a Colonial scientist responsible for the Theta class lifeforms, in addition to his self-named "Ravashol pulsar" communications-cum-weapons platform.
- Salik, the head Life Sciences officer on Galactica.
- Wilker, an electronics and technical expert on Galactica.
- Doctor Zee, a child prodigy with whom Adama continually consults in that series.
- Johnson, a character in the semi-produced episode "The Day They Took Cleopatra".
- Chief Medical Officer, the lead physician aboard a ship.
- Cottle, the CMO on Galactica
- Gaius Baltar, a scientist and computer programmer.
- Michael Robert, a civilian physician in "The Woman King".