Will Smith

Floyd Lawton / Deadshot

Jared Leto

The Joker

Margot Robbie

Harleen Quinzel / Harley Quinn

Joel Kinnaman

Rick Flag

Viola Davis

Amanda Waller

Jai Courtney

George 'Digger' Harkness / Boomerang

Jay Hernandez

Chato Santana / El Diablo

Adewale Akinnuoye-Agbaje

Waylon Jones / Killer Croc

Cara Delevingne

June Moone / Enchantress

Ike Barinholtz

Keith Griggs

Scott Eastwood

Lieutenant GQ Edwards

Adam Beach

Christopher Weiss / Slipknot

Karen Fukuhara

Tatsu Yamashiro / Katana

Common

Monster T

David Harbour

Dexter Tolliver

Jim Parrack

Jonny Frost

Alex Meraz

Gomez - Seal Team A

Corina Calderon

Grace Santana

Ben Affleck

Bruce Wayne / Batman (uncredited)

Ezra Miller

Barry Allen / The Flash

Robin Atkin Downes

Angelo (voice)

Shailyn Pierre-Dixon

Zoe Lawton

Matt Baram

Dr. Van Criss

Alain Chanoine

Gerard Davis / Incubus

Ted Whittall

Admiral Olsen

Jaime FitzSimons

Sergeant Ames Bravo 14

Robert B. Kennedy

U.S. Marshal

James McGowan

Panda Man

Aidan Devine

Chairman

Andrew Bee

Navy One-Star Admiral

Kent Sheridan

National Security Council

Dwight Ireland

National Security Council

Amanda Brugel

National Security Council

Kevin Hanchard

Casino Boss

Kevin Vance

Kowalski - Seal Team A

Tyler Grey

Grey - Seal Team Member

Kenneth Choi

Yakuza Boss

Nicolas Van Burek

Technician

Shane Harbinson

SWAT Officer

Fatimah Hassan

LAPD Sergeant

Mellanie Hubert

Bystander

Sergio Kato

Hispanic Man

Kevin Kent

Prisoner

John MacDonald

Arkham Guard Stewart

Drew Moss

Blackwater

Dan Petronijevic

Anvil

Darryl Quon

Big Ugly Navy SEAL

Hugh Scott

American Hostage

Attila Sebesy

Special Forces Escort

Connor Skific

Graham - SEAL Team A