| RRichard HarrisNarrator (voice) | Narrator (voice) |
| SSteve WilliamsSelf - Wildlife Management Institute | Self - Wildlife Management Institute |
| MMichael PflegerSelf - priest, Chicago | Self - priest, Chicago |
| DDean RantzSelf - gunsmith | Self - gunsmith |
| JJim SupicaSelf - curator, The National Firearms Museum | Self - curator, The National Firearms Museum |
| DDon TroianiSelf - gun collector, painter | Self - gun collector, painter |
| RRoger LaneSelf - Haverford College | Self - Haverford College |
| RRichard SlotkinSelf - Wesleyan University | Self - Wesleyan University |
| DDavid KeeneSelf - president, National Rifle Association | Self - president, National Rifle Association |
 Daniel OkrentSelf - author of 'The Last Call' | Self - author of 'The Last Call' |
 J. Edgar HooverSelf - first director of the Federal Bureau of Investigation (archive footage) | Self - first director of the Federal Bureau of Investigation (archive footage) |
 Elaine BrownSelf - former chairman, Black Panther Party | Self - former chairman, Black Panther Party |
 Frank SerpicoSelf - retired New York City Police Department officer | Self - retired New York City Police Department officer |
 Bill CosbySelf | Self |
| HHoward SafirSelf - former New York City Police Commissioner | Self - former New York City Police Commissioner |
| SSaul CornellSelf - Fordham University | Self - Fordham University |
| CCharles H. RamseySelf - former Commissioner of the Philadelphia Police Department | Self - former Commissioner of the Philadelphia Police Department |
| JJohn WelshSelf - sergeant, Philadelphia Police Department | Self - sergeant, Philadelphia Police Department |
| JJoan BurbickSelf - author of 'Gun Show Nation' | Self - author of 'Gun Show Nation' |
| SStephen BartonSelf - survivor of 2012 Aurora shooting | Self - survivor of 2012 Aurora shooting |
| EEric BlumencranzSelf - co-owner, F6 Labs | Self - co-owner, F6 Labs |
 Cody WilsonSelf - Wiki Weapons | Self - Wiki Weapons |
 Eddie BocanegraSelf - violence interrupter, Chicago | Self - violence interrupter, Chicago |
| EElena QuintanaSelf - psychologist, Chicago | Self - psychologist, Chicago |
