The Proprietor [baritone or bass baritone]: owner of a carnival shooting gallery with a unique game... Shoot A President, Win A Prize.

Balladeer [folk tenor] an omniscient moral conscience, representing the audience's point of view. Comments on the story as it happens, until the assassins gang up and throw him/her out.

John Wilkes Booth [Baritone]
April 14, 1865 - Assassinated President: Abraham Lincoln

Charles Guiteau [Bari-tenor]
July 2, 1881 - Assassinated President: James Garfield

Leon Czolgosz [Bass-baritone]
September 6, 1901 - Assassinated President: William McKinley

Giuseppe Zangara [Tenor, needs a sustainable high A]
February 15, 1933 - Attempted to assassinate President: Franklin Roosevelt .

Lee Harvey Oswald [Baritone]
November 22, 1963 - [Allegedly] assassinated President: John F. Kennedy

Samuel Byck [baritone]
February 22, 1974 - Attempted to assassinate President Richard M. Nixon

Lynette "Squeaky" Frome [girlish-sounding soprano w/ comfortable middle]
September 5, 1975 - Attempted to assassinate President Gerald Ford

Sara Jane Moore [Soprano w/ solid middle register]
September 22, 1975 - attempted to assassinate President Gerald Ford

John Hinckley Jr. [Pop bari-tenor]
March 30, 1981 - Attempted to assassinate President Ronald Reagan

Ensemble

David Herold: 19 yrs old, one of John Wiles Booth's co-conspirators
A Bartender: serves drinks to all the assassins in a scene inside a bar
Emma Goldman: anarchist allegedly involved in the McKinley assassination
President James Garfield and President Gerald Ford (cameos)
Warden
Hangman
Billy Moore: Sara Jane Moore's 9 year old son
reporters, photographers, tourists, bystanders, citizens,etc.