Millie Davis (born 6 December 2006[1][2]) is a Canadian actress who plays Ms. O / Big O in the TVOKids/PBS Kids series Odd Squad,[3] Riley in the television show Dino Dana, Summer in Wonder,[2] and Gemma Hendrix in Orphan Black.
[5] Born to Megan and Wayne Davis, Millie and her older brother, Drew, are actors who have both appeared in Orphan Black, among other roles.
[6] Her parents run the Characters Theatre Troupe in Thornhill, Ontario.
[6] In June 2007, when she was six months old, Davis began her career in acting when she first appeared in a commercial with her father[7] and she began TV roles beginning in the late 2000s, shortly before she turned four.
[9] Interviewed in February 2023 when she was 16, she said that it has been a "trial and error process" keeping up with both school and acting work, although she thinks it has been a net benefit.