Peyton Kennedy is a Canadian actress. She is best known for her role as Betty Nelson on the ABC television drama series Grey’s Anatomy. She is also known for her film roles in The Captive, American Fable, and Lavender. She played Kate Messner in the Netflix series, Everything Sucks!, where she played a 15-year-old girl who is trying to figure out her sexuality. She is also known for her role as Dr. O in Odd Squad.