According to The Wrap Dominic Purcell who play villain Mick Rory, known as Heatwave on The Flash, will be joining the cast of the Arrow / The Flash spin-off television series.
He’ll be sixth cast member, as Wentworth Miller (Captain Cold), Brandon Routh(Atom), Victor Garber (Firestorm) and Caity Lotz (Canary) have all officially signed on.
The spin-off still has three DC Comics characters set to also join the team of characters.
Greg Berlanti, Andrew Kreisberg and Marc Guggenheim and Sarah Schechter, the team also behind CBS’ upcoming Supergirl, would executive produce the spinoff as well.
Source: The Wrap