Requiem

S7 E18: Bartlet and his current staff--as well as some friends from the past--come together for Leo's funeral. Meanwhile, Santos must choose a new Vice President. Recurring guest stars include Lily Tomlin as Deborah Fiderer, Teri Polo as Helen Santos, Marlee Matlin as Joey Lucas, Mary-Louise Parker as Amy Gardner, Gary Cole as Vice President Robert Russell, Tim Matheson as John Hoynes, Timothy Busfield as Danny Concanon, Emily Proctor as Ainsley Hayes, Elisabeth Moss as Zoey Bartlet, Nina Siemaszko as Ellie Bartlet Faison, Annabeth Gish as Elizabeth Bartlet Westin, Kathleen York as Andrea Wyatt and Ana Deavere Smith as Nancy McNally.