Millie Davis
Where to watch Millie Davis in United States. On screen since 2007. Licensed apps only — 24 titles we track below.
Millie Davis (born 6 December 2006 ) 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.
Where to watch their titles
The Umbrella Academy
Claire Hargreeves · 2019
Wonder
Summer · 2017
See
Haniwa (Age 12) · 2019
Good Boys
Brixlee · 2019
Orphan Black
Gemma Hendrix · 2013
The Best Man Holiday
Hope · 2013
Origin
Ruby Touré · 2018
Man Seeking Woman
Victoria · 2015
A Dark Truth
Saber Francis · 2012
Finding Her Edge
Riley Monroe · 2026
Odd Squad
Ms. O · 2014
Dino Dana: The Movie
Riley Making · 2020
Odd Squad: The Movie
Ms. O · 2016
PJ Masks: Power Heroes
Girl / Additional Voices (voice) · 2023
Super Why!
Serena / Dot (voice) · 2007
Apple Mortgage Cake
Young Angela · 2014
Mighty Express
Dusty (voice) · 2020
Circuit Breakers
Megan · 2022
The Bravest Knight
Nia (voice) · 2019
Remedy
Crying Girl · 2014
Shelved
Daisy · 2023
Dino Dana
Riley · 2017
Hearts Around the Table: Kiki's Fourth Ingredient
Gina Taylor · 2025
Portal to Hell!!!
Molly · 2015