John Boyega as Brian Brown-Easley

Michael Kenneth Williams as Eli Bernard

Nicole Beharie as Estel Valerie

Connie Britton as Lisa Larson

Selenis Leyva as Rosa Diaz

Jeffrey Donovan as Major Riddick

Olivia Washington as Cassandra Brown-Easley

London Covington as Kiah Easley

Robb Derringer as Chief Jack Quail

Carmine Giovinazzo as Ken Pierce

Kate Burton as Tami Stackhouse

Albert Kong as Steve Yen

Elise Neal as Juanita

Kelli Dawn Hancock as Briefing Officer

Mel Fair as Mark Cavanaugh

Keith Ewell as Keith James

Miriam Silverman as Hana

Shannon Walsh as 911 Julie

Kim D'Armond as 911 Wendy

Brian Groh as Lazy-Eyed Manager

Dan Aho as FBI Agent 1

Xavier Avila as Student

John Zderko as Vet

Kacey Montoya as News Anchor

Aries Sanders as Bomb Squad Command

William Marquart as FBI Agent 2

Lily Keene as Diana Stuart

Bourke Floyd as Bomb Tech

Marcus Bailey as Thomas

Michelle Bernard as Barricade Cop

Malcolm Smith as Trevor Easley

Joyce Greenleaf as Ida Jones

Angelina Ramirez as Station Attendant

Anthony D. Washington as Mobile Dispatcher

Frantz Durand as Police Supervisor (uncredited)

Robert Gatewood as Veteran (uncredited)

Harvey B. Jackson as Veteran (uncredited)

Anne-Marie Olsen as News Editor (uncredited)

Paul Sinacore as Paul (uncredited)

Peter Lawrence Singer as SWAT Officer (uncredited)

Katherine Stephens-Miller as Bridget Maxwell (uncredited)

John Un as Eric (uncredited)