Leland Joseph "Lee" Adama is a fictional character in the television series Battlestar Galactica. He is portrayed by actor Jamie Bamber, and is one of the main characters in the series. His first appearance was in the 2003 Battlestar Galactica miniseries.

Dr. Gaius Baltar is a fictional character in the TV series Battlestar Galactica played by James Callis, a reimagining of Lord Baltar from the 1978 Battlestar Galactica series. He is one of the show's primary characters.