Who are the characters in the Jason Bourne novels?

The main character in the Jason Bourne novels is Jason Bourne himself, a highly skilled assassin suffering from amnesia as he seeks to uncover his true identity. Other key characters include Marie St. Jacques, Bourne's love interest in the early books, and various antagonists such as Carlos, Bourne's nemesis, and government officials who manipulate events around him. Supporting characters often include intelligence operatives and allies who assist Bourne in his quest for self-discovery and survival. The series, created by Robert Ludlum, has been expanded by other authors, introducing additional characters and subplots.