developed by (180 episodes, 1999-2026)
story by (16 episodes, 2001-2010)
written by (9 episodes, 1999-2025)
teleplay by (2 episodes, 2009-2010)
created by (180 episodes, 1999-2026)
story by (2 episodes, 2010)
written by (1 episode, 1999)
staff writer (33 episodes, 1999-2002)
written by (2 episodes, 2002-2003)
story by (1 episode, 2001)
teleplay by (1 episode, 2001)
staff writer (28 episodes, 2001-2003)
written by (2 episodes, 2002-2024)
written by (18 episodes, 1999-2024)
story by (7 episodes, 2008-2010)
teleplay by (7 episodes, 2008-2010)
written by (17 episodes, 1999-2024)
story by (4 episodes, 2009)
teleplay by (2 episodes, 2009)
staff writer (18 episodes, 2002-2003)
written by (15 episodes, 1999-2024)
teleplay by (2 episodes, 2000-2009)
story by (1 episode, 2000)
staff writer (11 episodes, 2001-2002)
written by (4 episodes, 2002-2011)
staff writer (10 episodes, 2012)
written by (5 episodes, 2000-2013)
written by (8 episodes, 1999-2023)
teleplay by (5 episodes, 2008-2009)
story by (4 episodes, 2008)
written by (12 episodes, 1999-2013)
executive story editor (10 episodes, 2023)
written by (2 episodes, 2023-2024)
written by (10 episodes, 2001-2013)
written by (1 episode, 2023)
written by (8 episodes, 1999-2011)
written by (7 episodes, 2003-2013)
teleplay by (1 episode, 2009)
staff writer (6 episodes, 1999)
written by (6 episodes, 2000-2024)
written by (6 episodes, 2010-2013)
staff writer (5 episodes, 2024)
written by (1 episode, 2024)
written by (5 episodes, 2010-2025)
written by (4 episodes, 2001-2003)
written by (3 episodes, 2002-2024)
written by (3 episodes, 2023-2025)
written by (1 episode, 2002)
written by (1 episode, 2012)