From TV Guide :
"Episode Detail: Institutional Memory
C.J. and Will both face uncertain futures as Bartlet and his staffers prepare to leave the White House to make way for the Santos administration"
TV Guide revised the cast listing: "Richard Schiff, Allison Janney, Dulé Hill, NiCole Robinson, Melissa Fitzgerald, Joshua Malina, Mary McCormack, Jimmy Smits, Timothy Busfield"