Special Guest Stars Clancy Brown as General Wade Eiling Guest Stars Michelle Harrison as Nora Allen Victor Garber as Dr. Martin Stein / Firestorm Robbie Amell as Ronald "Ronnie" Raymond / Firestorm Melise as Linda Park Isabella Hofmann as Clarissa Stein Bill Dow as Quentin Quale Chase Masterson as Sherry Co Starring Logan Williams as Young Barry Allen Herbert Duncanson as Sergeant Bates Paul Griggs as Jumper Uncredited Morena Baccarin voices Gideon