Richard Harris
Narrator (voice)

Steve Williams
Self - Wildlife Management Institute

Michael Pfleger
Self - priest

Self - priest

Dean Rantz
Self - gunsmith

Jim Supica
Self - curator

Self - curator

Don Troiani
Self - gun collector

Self - gun collector

Roger Lane
Self - Haverford College

Richard Slotkin
Self - Wesleyan University

David Keene
Self - president

Self - president

Daniel Okrent
Self - author of 'The Last Call'

J. Edgar Hoover
Self - first director of the Federal Bureau of Investigation (archive footage)

Elaine Brown
Self - former chairman

Self - former chairman

Frank Serpico
Self - retired New York City Police Department officer

Bill Cosby
Self

Howard Safir
Self - former New York City Police Commissioner

Saul Cornell
Self - Fordham University

Charles H. Ramsey
Self - former Commissioner of the Philadelphia Police Department

John Welsh
Self - sergeant

Self - sergeant

Joan Burbick
Self - author of 'Gun Show Nation'

Stephen Barton
Self - survivor of 2012 Aurora shooting