Margot Robbie character Harleen Quinzel / Harley Quinn
Ewan McGregor character Roman Sionis / Black Mask
Mary Elizabeth Winstead character Helena Bertinelli / Huntress
Jurnee Smollett character Dinah Lance / Black Canary
Rosie Perez character Detective Renee Montoya
Chris Messina character Victor Zsasz
Ella Jay Basco character Cassandra Cain
Ali Wong character Ellen Yee
Matthew Willig character Happy
Dana Lee character Doc
Steven Williams character Patrick Erickson
Robert Catrini character Stefano Galante
Daniel Bernhardt character Sionis' Chauffeur
François Chau character Mr. Keo
Miyuki Matsunaga character Mrs. Keo
Anna Mikami character Miss Keo
Paul Lasa character Franco Bertinelli
Charlene Amoia character Maria Bertinelli
Ella Mika character Young Helena Bertinelli
Derek Wilson character Tim Evans
Bojana Novaković character Erika
Andy Hoff character Erika's Date
Bruno Oliver character Sal
Michael Masini character Officer Dargo
Judy Kain character Bespectacled Secretary
David Bianchi character Henchman
Rj Wayne character Tough Guy
Eddie Alfano character Helena's Bodyguard
Simon Rhee character Cell Guard
Sala Baker character Prisoner
Zack Whyel character Roman's Healer
Ellay Watson character Roller Derby Fan
Karen Teliha character Nun
Nev Smith character Gotham Detective
Greice Santo character Scantily Clad Crystal
Zeus Sagittarius character Roman's Goon
Talon Reid character Roman's Goon
Diezel Ramos character Gotham Detective
Matthew Parry-Jones character Club Goer
Brian Nuesi character Husband
Adinett Nsabimana character Girl at the bar
Brandon Garic Notch character Roman's lift Goon
Anthony Molinari character Mafiosi
Ego Mikitas character Don
Jenelle McKee character Hot Couple
Lenora May character Mrs. Marcucci
Jeff Lipary character BBB Gang Member
Brandon Irvin character Roman's Goon
Damon Hoffman character Bodybuilder
William Guirola character Thug
Nico Greetham character Young Goon
Luis Richard Gomez character Harley Super Fan
Shad Gaspard character Lords Leader
Julian Garcia character Roman's Goon
Eddie J. Fernandez character Gauntlet Cop
Mike Ferguson character Lord of the Avenue
Gerald Downey character Judge
Jack Dourakos character Club Goer
Sadyr Diouf character Roman's Goon
Joey Courteau character Club Dancer
Dan Cole character Officer Timm
Gianluca Di Medio Ceccarelli character Roman's bodyguard
Jason Catron character Sprang Bridge Soldier
David Anthony Buglione character Joe Bertinelli
Tim Rigby character RR Passenger
Richard King character Mercedes Gang
Oakley Lehman character Mercedes Gang
Eric Michael Cole character Disgruntled man
Dennis Keiffer character Mercenary
Sam Hargrave character Mercenary
Efka Kvaraciejus character Mercenary
Kofi Yiadom character Mercenary
Bryan Sloyer character Prisoner
Christian Womack character Prisoner
Panuvat Anthony Nanakornpanom character Prisoner
Caleb Spillyards character Prisoner
George Crayton character Prisoner
Terrence Julien character Cell Guard
K.K. Barrett character Dr. Aguilar
Christine Engh character Elderly Woman
Pramod Kumar character Irate shopkeeper
Shahaub Roudbari character Smarmy Guy
Shawn Balentine character Key Card Cop
Tim Sitarz character Donut Cop
Buddy Sosthand character Coffee Cup Cop
Chris Carnel character Desk Sergeant
Jesse Bush character Patrol Cop
Charles Carpenter character Processing Officer
Jeremy Denzlinger character Desk Sergeant
Keisha Tucker character Roller Derby Girl
James Henry Williams Jr. character Ace Chemical Police Officer
Joe Bucaro III character Carlos Rossi
Paloma Rabinov character Bitchy Teammate
David Ury character Sleazy Breeder
Sara Montez character Shallow Friend #1
Izabel Pakzad character Shallow Friend #2
Kc Strubbe character Naïve Teammate
Jacky Shu character Skeptical Teammate
Daniel Cole character Patrol Cop
Qiang Li character Prisoner
