Robert Patrick "Robbie" Amell (born April 21, 1988) is a Canadian actor and model. He is best known for playing Stephen Jameson on The CW's series The Tomorrow People, Ronnie Raymond / Firestorm on The CW's series The Flash, Fred Jones in the films Scooby-Doo! The Mystery Begins and Scooby-Doo! Curse of the Lake Monster, Paxton Flynn in the film The Hunters, and Wesley Rush in the film The Duff, as well as recurring roles on such television shows as Life with Derek, True Jackson, VP, Unnatural History, and Revenge.