Giacomo Gianniotti is an Italian-Canadian actor. He started his acting career in the 2010s. He made his debut on Italian television with Medicina generale. He eventually pursued a career in Hollywood with his first work in an episode of American series Beauty & the Beast. He next played the recurring role of Lord Julien on Reign. Afterwards, he became further known for his role as Leslie Garland on the TV series Murdoch Mysteries. His next role was as Freddy on the short-lived shoe Selfie. As of 2015, he stars as Dr. Andrew DeLuca on the long-running US medical drama series Grey’s Anatomy.