American Gun

Forest Whitaker

Carter

Marcia Gay Harden

Janet Huttenson

Donald Sutherland

Carl Wilk

Lisa Long

Sandra Cohen

Chris Warren

Marcus

Amanda Seyfried

Mouse

Nikki Reed

Tally

Tony Goldwyn

Frank

Rex Linn

Earl

Davenia McFadden

Felicia

Linda Cardellini

Mary Ann Wilk

Schuyler Fisk

Cicily

Melissa Leo

Louise

Dallas McKinney

Jimmy Frank

Dean Norris

Terrence

Michael Shannon

Jerry

Christopher Rodriguez Marquette

David Huttenson

Joseph Kell

Security Guard

Garcelle Beauvais

Sarah

James Morrison

St. Anthony's Principal

Lee Garlington

Psychologist

Sydney Walsh

Karen

Calvin Jung

Store Owner

Rachael Bella

Haille

Jonathan Ahdout

Ike

Sean Allen Rector

Gas Station Young Dude

Audrey Wasilewski

Annette

Steven E. Barnes

Student

Joy DeMichelle

Marcus' Mom

Daniel Buran

Convenience Store Clerk

Brian Avery

Convenience Store Robber

Aasha Davis

Student

Gabrielle Christian

Girl

Jernard Burks

Burly Guy

Andrew Caple-Shaw

College Rapist

Ali Hillis

Gunshop Patron

Kiyano La'vin

Taft Security Guard

Lombardo Boyar

Hector

Charles Duckworth

Connie

Todd Tesen

Barry

Gary Paul Clark

Supervisor

Terry Rhoads

Ed Hogan

Michael Milhoan

Victim's Father

Arlen Escarpeta

Jay

Neil Mather

Bob

John Stewart Muller

School Shooter (uncredited)

Michael Dempsey

Landlord

Kevin Phillips

Reggie

Rainbow Borden

Thief