Martin Sheen as Jed Bartlet

Richard Schiff as Toby Ziglar 

Allison Janney as C.J Cregg

John Spencer as Leo Mcgarry 

Rob Lowe as Sam Seaborn 

Dule Hill as Charlie Young

Stockard Channing as Abigail Bartlet 

Janel Moloney as Donna Moss 

Bradley Whitford as Josh Lyman 

Joshua Malina as Will Bailey