Cast

• Margot Robbie — Harleen Quinzel / Harley Quinn
• Jurnee Smollett — Dinah Lance / Black Canary
• Mary Elizabeth Winstead — Helena Bertinelli / The Huntress
• Rosie Perez — Detective Renee Montoya
• Ella Jay Basco — Cassandra Cain
• Ewan McGregor — Roman Sionis / Black Mask
• Chris Messina — Victor Zsasz
• Ali Wong — Ellen Yee
• Charlene Amoia — Maria Bertinelli
• Derek Wilson — Tim Evans
• Johnny Goth — Joker
• Michael Masini — Officer Dargo
• David Bianchi — Henchman
• Dana Lee — Doc
• Judy Kain — Bespectacled Secretary
• Matthew Willig — Happy
• Steven Williams — Captain Patrick Erickson
• Robert Catrini — Stefano Galante