Marc Kudisch (The Proprietor), Neil Patrick Harris (Balladeer/Lee Harvey Oswald), Michael Cerveris (John Wilkes Booth), Eamon Foley (Billy), James Clow (President Gerald Ford/James Blaine), Becky Ann Baker (Sara Jane Moore), Mary Catherine Garrison (Lynette "Squeaky" Fromme), Alexander Gemignani (John Hinckley, Jr.), Mario Cantone (Samuel Byck), Jeffrey Kuhn (Giuseppe Zangara), Anne L Nathan (Emma Goldman), James Barbour (Leon Czolgosz), Merwin Foard (President James Garfield), Denis O'Hare (Charles Guiteau)