Harriet Dyer is an Australian actress. She had her career beginnings in 2012, debuting as Emma Cosdosca in the TV series Micro Nation. She later became further known for starring as Patricia Saunders in the TV drama Love Child. At the same time, she made her cinematic debut in the 2015 Aussie film Ruben Guthrie. In 2016, she had performances in the films Down Under and Killing Ground. She went on to star as Maya Blakely in TV drama Janet King and April in the comedy series No Activity. Dyer then played recurring roles in The Other Guy and Kiki and Kitty. In 2019, she made her Hollywood debut as Cassie Bedford in the NBC series The InBetween. This year, she starred as Emily in the Hollywood horror film The Invisible Man.