Jordan Aaron Hall ( Jordan Aaron Hall )

Marcus Jackson

Oona Laurence ( Oona Laurence )

Holly

Brandon Larracuente ( Brandon Larracuente )

Clay Howard

Julian Shatkin ( Julian Shatkin )

Grant

Giorgia Whigham ( Giorgia Whigham )

Cassie Williams

Yetide Badaki ( Yetide Badaki )

Alex Jackson

James Ransone ( James Ransone )

Sgt. Steven Mohler

Elizabeth Mitchell ( Elizabeth Mitchell )

Capt. Katherine Hilman

Casey Hartnett ( Casey Hartnett )

Emily Hilman

Antino Crowley-Kamenwati ( Antino Crowley-Kamenwati )

Razor

Cheryl Howard ( Cheryl Howard )

Allie McCulloch

Shannon Brown ( Shannon Brown )

Art

Stan Demidoff ( Stan Demidoff )

Travis

Paul Castro Jr. ( Paul Castro Jr. )

Karl

Anubhav Jain ( Anubhav Jain )

Ned

Crystal De La Cruz ( Crystal De La Cruz )

Stoner Girl

Donald Dash ( Donald Dash )

Brian Santini

Eric Tabach ( Eric Tabach )

Justin Weingarter

Juliana Himawan ( Juliana Himawan )

April

James Mount ( James Mount )

Sgt. Wheeler

Wayne Pyle ( Wayne Pyle )

Mr. Dexter

Heidi K. Eklund ( Heidi K. Eklund )

Ms. Jenkins

Jeremiah Wenutu ( Jeremiah Wenutu )

Robbie

Kate Udall ( Kate Udall )

Jeannie Williams - Cassie's Mom

Caleb Eberhardt ( Caleb Eberhardt )

Joe

Davon Sylvester ( Davon Sylvester )

Will

Sunny Edelman ( Sunny Edelman )

Bridget - Holly's Mom

Majestic Tillman ( Majestic Tillman )

Darnell

Justin Clarke ( Justin Clarke )

Ian Merrill Peakes ( Ian Merrill Peakes )

Jordan Hilman

Christopher Young ( Christopher Young )

Justin's Friend

Bruce Safran ( Bruce Safran )

Aron Williams - Cassie's Dad

Irene McMahon ( Irene McMahon )

Janette

Leif Grund ( Leif Grund )

Robert

Kristin Oakley ( Kristin Oakley )

Teacher / Background

Ana Roman ( Ana Roman )

Paramedic

Kyle Paul ( Kyle Paul )

Deputy Clinton (uncredited)

James Wosochlo ( James Wosochlo )

Detective (uncredited)

Kevin D. Benton ( Kevin D. Benton )

Detective (uncredited)

Nikee Warren ( Nikee Warren )

Police Officer (uncredited)

Joseph Brewster ( Joseph Brewster )

Background - Police Officer

Aaron Peck ( Aaron Peck )

Background - Paramedic

Tyson Charles ( Tyson Charles )

Background - Tyson

Danielle Chrysler ( Danielle Chrysler )

Background - Girl

Brent Ackermann ( Brent Ackermann )

Background

Devin Dawson ( Devin Dawson )

Background

Frank Dianda ( Frank Dianda )

Background

Paul Featherstone ( Paul Featherstone )

Background

Claire Hammond ( Claire Hammond )

Background

Andrew Moriarty ( Andrew Moriarty )

Background

Emily Oakley ( Emily Oakley )

Background

Donna Parish-Bischoff ( Donna Parish-Bischoff )

Background

Derek Reid ( Derek Reid )

Background

Marina Roberti ( Marina Roberti )

Background

Gina Ruiz ( Gina Ruiz )

Background

Dario Saraceno ( Dario Saraceno )

Background

Sarah Soltish ( Sarah Soltish )

Background

Becca Tavares ( Becca Tavares )

Background