Will Smith as Floyd Lawton / Deadshot

Jared Leto as The Joker

Margot Robbie as Harleen Quinzel / Harley Quinn

Joel Kinnaman as Rick Flag

Viola Davis as Amanda Waller

Jai Courtney as George 'Digger' Harkness / Boomerang

Jay Hernandez as Chato Santana / El Diablo

Adewale Akinnuoye-Agbaje as Waylon Jones / Killer Croc

Cara Delevingne as June Moone / Enchantress

Ike Barinholtz as Keith Griggs

Scott Eastwood as Lieutenant GQ Edwards

Adam Beach as Christopher Weiss / Slipknot

Karen Fukuhara as Tatsu Yamashiro / Katana

Common as Monster T

David Harbour as Dexter Tolliver

Jim Parrack as Jonny Frost

Alex Meraz as Gomez - Seal Team A

Corina Calderon as Grace Santana

Ben Affleck as Bruce Wayne / Batman (uncredited)

Ezra Miller as Barry Allen / The Flash

Robin Atkin Downes as Angelo (voice)

Shailyn Pierre-Dixon as Zoe Lawton

Matt Baram as Dr. Van Criss

Alain Chanoine as Gerard Davis / Incubus

Ted Whittall as Admiral Olsen

Michael Murray as Admiral Burns

Jaime FitzSimons as Sergeant Ames Bravo 14

Christopher Dyson as Missing Hand Guard

Bambadjan Bamba as T-Shirt Vendor

Robert B. Kennedy as U.S. Marshal

Billy Otis as Mafia Snitch

James McGowan as Panda Man

Derek Perks as Psych Patient

Aidan Devine as Chairman

Andrew Bee as Navy One-Star Admiral

Clive McLean as Air Force Two-Star General

Frank J. Zupancic as Army One-Star General

Kent Sheridan as National Security Council

Roger Shank as National Security Council

Dwight Ireland as National Security Council

Amanda Brugel as National Security Council

Peter Tufford Kennedy as National Security Council

Rosemary De Los Santos as Hot Girl Patron

Kevin Hanchard as Casino Boss

Joel Lacoursiere as Cop At Rail Terminal

Jameson Kraemer as Doctor At Rail Terminal

Ho Chow as Gate Guard

Birgitte Solem as Dr. Van Criss' Wife

Kevin Vance as Kowalski - Seal Team A

Tyler Grey as Grey - Seal Team Member

Nathan Brown as Seal Team A #1 Member

Kenneth Choi as Yakuza Boss

Nicolas Van Burek as Technician

Agueda Cardenas as Technician 2

Daniela Uruena as Diablo's Daughter

Nicolas Uruena as Diablo's Son

Ariane Bellamar as Supermodel (uncredited)

Murray Urquhart as Navy SEAL (uncredited)

Tim Ajro as U.S. Marshal

Devlin Anderson as Bystander

Briana Andrade-Gomes as Dancer

Raffi Atamian as Bystander

John Byers as Air Force General Williams

Heather Byrne as Injured Civilian

Corey Chainey as Wounded Civilian

Shak Chaudhry as US Ranger

James 'Chilli' Chillingworth as Ranger

Andrew Christie as Marine

Alex Chung as Van Criss Employee

Gavin R. Downes as MP Soldier

Reid Eastwood as Club Goer

Scott Edgecombe as Distressed Civilian

Brendan Egan as Car Passenger

Jeff Ellenberger as US Marshal

Tatyana Figueiredo as Tatiana - Russian Girl

Gary 'Si-Jo' Foo as Navy SEAL Combat Medic - Bravo Team

Tazito Garcia as US Marshal

Brianna Goldie as Operations Tech

William Hainsworth as Secret Service Agent

Shawn J. Hamilton as Navy SEAL Howard

Shane Harbinson as SWAT Officer

Fatimah Hassan as LAPD Sergeant

Dexter Howe as Fighter Pilot

Mellanie Hubert as Bystander

David Ingram as FEMA Official

Shane Clinton Jarvis as US Marshal / Military Escort

Sergio Kato as Hispanic Man

Kevin Kent as Prisoner

Martin Kessler as Bystander

Melissa Lem as Lieutenant Colonel Doctor

John MacDonald as Arkham Guard Stewart

Stephanie Manchulenko as EA Dancer

Matthew Mease as Marine

Christopher Meneses as Hispanic Man

Valiant Michael as Agent Bartoni

Sabine Mondestin as Naughty Waitress

Justin Moses as Admiral's Staff

Drew Moss as Blackwater

Afsheen Olyaie as Gotham Police

Dan Petronijevic as Anvil

Alisha Phillips as Executive Assistant

Tamina Pollack-Paris as EA Dancer

Michael Prather as Firefighter

Dennisha Pratt as Cop Photographer

Asad Que as Military Guard

Mark Quigley as US Ranger

Darryl Quon as Big Ugly Navy SEAL

Hugh Scott as American Hostage

Attila Sebesy as Special Forces Escort

Rick Silver as Arresting Officer

Connor Skific as Graham - SEAL Team A

Amos Stern as Janes - Navy SEAL

Goran Stjepanovic as Navy SEAL Clark

Vivienne Taylor as Club Patron

Jasmine Renée Thomas as EA Dancer

Alen Toric as Firefighter

Dallas Wade as Helicopter Pilot

Joe Warshaw as Club Patron

James Weicht as US Army Ranger

Taylor Hanson Whittaker as Club Patron

Robert L. Wilson as FBI Agent Max Bidwell

Ryan Groves as Secret Service Agent (uncredited)

Tony Watt as Bystander