Robert Patrick Amell IV (born April 21, 1988) is a Canadian-American actor and producer. He is best known for his roles as Stephen Jameson on The CW series The Tomorrow People (2013–2014), Ronnie Raymond / Firestorm on The CW series The Flash (2014–2017, 2022), and Nathan Brown in the Prime Video series Upload (2020–). Other roles include Fred Jones in the films Scooby-Doo! The Mystery Begins (20...