Robbie Amell has been cast as Ronnie Raymond/Firestorm in the CW’s The Flash, according to Variety.  He’ll first appear in the third episode of the new series. 

Series co-creators Greg Berlanti and Andrew Kreisberg, along with DC CCO Geoff Johns, hatched the plan to include Firestorm in the series, according to the report. 

The Flash will premiere on October 7th (see "'The Flash,' 'Arrow' Launches Set").