After Newtown: Guns in America

Roger Lane

As Self - Haverford College

Richard Slotkin

As Self - Wesleyan University

David Keene

As Self - president, National Rifle Association

Daniel Okrent

As Self - author of 'The Last Call'

J. Edgar Hoover

As Self - first director of the Federal Bureau of Investigation (archive footage)

Elaine Brown

As Self - former chairman, Black Panther Party

Frank Serpico

As Self - retired New York City Police Department officer

Bill Cosby

As Self

Howard Safir

As Self - former New York City Police Commissioner

Saul Cornell

As Self - Fordham University

Charles H. Ramsey

As Self - former Commissioner of the Philadelphia Police Department

John Welsh

As Self - sergeant, Philadelphia Police Department

Joan Burbick

As Self - author of 'Gun Show Nation'

Stephen Barton

As Self - survivor of 2012 Aurora shooting

Eric Blumencranz

As Self - co-owner, F6 Labs

Cody Wilson

As Self - Wiki Weapons

Eddie Bocanegra

As Self - violence interrupter, Chicago

Elena Quintana

As Self - psychologist, Chicago