Harley Quinn Birds of Prey movie - Behind The Scenes- Roman Sionis aka Black Mask as brought to life by Ewan McGregor.
After splitting with the Joker, Harley Quinn (#MargotRobbie) finds herself the #1 target of Gotham's criminal underwold.
But, to save young #CassandraCain (#EllaJayBasco) from evil crime lord, Roman Sionis (Ewan McGregor), she'll have to join forces with superheroes Black Canary (#JurneeSmollettBell), #Huntress (#MaryElizabethWinstead) and #ReneeMontoya (#RosiePerez).