Dr. Cottle is a fictional male in the Battlestar Galactica series. The character was portrayed on screen by Donnelly Rhodes. His allegiance / loyalty is to The Battlestar Galactica. Dr. Sherman Cottle is the chief medical officer onboard the Battlestar Galactica. Even though he is a doctor, he is never often seen without a cigarette in his mouth.
Although he is not the only medical officer on the Galactica although it might look that way, there are others, predominantly in The Woman King. In the Woman King, another medical professional is euthanasing persons from Sagittaron. Sagittarons believe that the Gods will provide for their health. It is down to Lt. Karl Agathon ( Helo ) to get the vital evidence in order to make Cottle to look further into the case.
Dr. Cottle is responsible for aiding President Laura Roslin as she battles against cancer whilst she takes on the role of President. Cottle's views on Cylon-Human interaction are well documented and he's doesn't approve of it. When Hera, the child of Karl and Lt. Athena is born, he is all to willing to hide the child from the parents.
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