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.
Rick Riordan's critically-acclaimed book franchise is being adapted into a live-action Disney+ series, with each season adapting one book. All episodes of Season 1, The Lightning Thief, are now streaming exclusively on Disney+.
