Season 3: 2001–2002 　　Cast: Rob Lowe, Stockard Channing, Dulé Hill, Allison Janney, Janel Moloney, Richard Schiff, John Spencer, Bradley Whitford and Martin Sheen 　　The third season, which covers the administration's third and fourth years in office, starts off with Bartlet announcing his intention to run for reelection and is heavily devoted to the upcoming presidential election. ..