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.
The everyday life of Arnold, a fourth-grader in a nameless city that resembles Brooklyn, New York, who lives in a multi-racial boarding house with his grandparents and a motley assortment of friends and neighbors.
