Professor Martin Stein will be coming to CW's upcoming television series, The Flash! This announcement follows the news on July 9th that Robbie Amell has been cast as Ronnie Raymond. With no sign of Jason Rusch, when Firestorm eventually appears on the show it seems likely he'll be the classic configuration. The news about Stein was revealed by Executive Producer Greg Berlanti during the show’s panel at the Television Critics Association summer press tour. Series stars and producers were on-hand to promote the show.