Emma Tremblay
Emma Tremblay is a Canadian child actress. Tremblay is known for her recurring roles on the television series Supergirl and Wayward Pines, and the films Elysium, The Giver, and The Judge. She is the older sister of child actor Jacob Tremblay.
On Supergirl, Tremblay was introduced in the third season and plays Ruby Arias, the daughter of Samantha Arias.