Wentworth Miller's Addicted

Dominic Purcell has boarded The CW comic-book drama as a DC Comics villain,Mick Rory, a pyromaniac who finds an outlet for his obsession with fire when he teams up with Leonard Snart/Captain Cold and becomes the villain known as Heatwave. 

http://www.hollywoodreporter.com/live-feed/flash-dominic-purcell-heat-wave-729700

http://www.givememyremote.com/remote/2014/09/03/the-flash-stages-a-prison-break-reunion-dominic-purcell-to-guest-star/

http://www.addictedtoseries.com/2014/09/the-flash-dominic-purcell-prison-break.html#.VAdlXI10xjo