Cassidy Alexa

Cassidy Alexa Cassidy Alexa provided the physical acting for Harleen Quinzel in the episode "Suicide Squad" of the series Arrow while Tara Strong provided the character's voice. The character was not clearly shown on screen, with the performance happening behind a closed cell door with only Alexa's back and shadow visible.

Pictured: Cassidy Alexa as Harleen Quinzel from a promotional still for Arrow.