Millie Davis is a Canadian actress who played Ms. O / Big O in the TVOKids/PBS Kids series Odd Squad, Riley in the Amazon Prime television show Dino Dana, Summer in Wonder, and Gemma Hendrix in Orphan Black.
Accidentally sent to the world of the Boiling Isles before a trip to summer camp, a teenage human named Luz longs to become a witch, with the rebellious Eda and pint-sized demon King at her aid.
