Billions is an American television drama series created by Brian Koppelman, David Levien, and Andrew Ross Sorkin. The series premiered on Showtime on January 17, 2016, and has produced five complete seasons to date, with a sixth season in suspended production. The series is often set in large financial centers, most notably New York and Connecticut. The series tells the story of hedge fund manager Bobby Axelrod (Damian Lewis), as he accumulates wealth and power in the world of high finance. Axelrod's aggressive tactics to secure high returns frequently cross over into the illegal—acts that United States Attorney Chuck Rhoades (Paul Giamatti) attempts to prosecute. A large ensemble secondary cast supports the series' story arcs.