But as the solid of the display-which include Allison Janney, Richard Schiff, Janel Moloney, Dulé Hill, John Spencer, Bradley Whitford, Martin Sheen (who was to begin with scripted as a small part) and Stockard Channing (whose First Lady was originally scripted as a guest job)- have been all very well-recognized actors, ultimately Lowe's character was no more time the show's major concentration. Broder, John M. (July 16, 2008).