The actor will appear on the new CW series in a role that's closely attached to guest star Robbie Amell
Comic-book adaptation lands network's best premiere best numbers since the 2009 debut of "The Vampire Diaries"
The minute-long montage also features a new look at fan favorite "Supernatural"
The actor will recur in several episodes as Digger Harkness, the alter ego of the DC character
PaleyFest 2014: "Flash" producers tease a potential future appearance from an African American Wally West, the DC superhero known as Kid Flash
Grant Gustin learns to control his new powers with a little help from Arrow
Blair, Jo, Natalie and Ms. Garrett are among the panelists announced for 10th Annual fall preview confab
Grant Gustin even sounds a bit like Stephen Amell as he announces, "My name is Barry Allen, and I am the fastest man alive"
Watch out, Barry Allen -- Girder's heading your way
TCA 2014: "Flash" producer announces guest appearance for "Prison Break" star