S2, E22: In the season finale, Michael (Golden Globe winner Steve Carell) and the Dunder Mifflin crew hold a Casino Night for charity in their warehouse and take some big gambles. Rainn Wilson, Jenna Fischer, John Krasinski, B.J. Novak, Leslie David Baker, Brian Baumgartner, Kate Flannery, Angela Kinsey, Oscar Nunez, Phyllis Smith, Melora Hardin and David Denham also star.