Gaius Baltar, a fictional character in the TV series Battlestar Galactica, was portrayed by James Callis from its first appearance in "Miniseries" until his last appearance in "Daybreak (Part 3)".
Dr. Gaius Baltar is a fictional character in the TV series Battlestar Galactica played by James Callis, a reimagining of Count Baltar from the 1978 Battlestar Galactica series. "Miniseries" "Daybreak (Part 3)" 
