The West Wing 1999

Mary McCormack plays Kate Harper across 48 episodes and executive producer John Wells produced every episode of both, with 15 others.

Executive producer John Wells produced every episode of both, Christopher Misiano produced too, writer Carol Flint wrote for both, director Lesli Linka Glatter directed eight episodes and Laura Innes directed too, with 411 others.

Richard Schiff plays Toby Ziegler across 143 episodes, Joshua Malina appears too, director Bill D'Elia directed three episodes and executive producer Peter Noah produced both, with 13 others.

Dulé Hill plays Charlie Young across 138 episodes, Joshua Malina appears too, director Andrew Bernstein directed three episodes and Tim Matheson and Arlene Sanford directed too, with 36 others.

Composer W.G. Snuffy Walden scored both and director Nelson McCormick directed two episodes, with 7 others.

Joshua Malina plays Will Bailey across 83 episodes and Mary McCormack appears too, with 69 others.

Joshua Malina plays Will Bailey across 83 episodes, Bradley Whitford appears too, executive producer John Wells produced both, Alex Graves produced too and director David Nutter directed one episode, with 80 others.

Bradley Whitford plays Josh Lyman in all 154 episodes, with 4 others.

Director Tim Matheson directed 19 episodes and David Nutter and Paul McCrane directed too, with 253 others.