The Cw Recruits Glee Villain Grant Gustin As Barry Allen Aka The Flash On Arrow Season 2
A familiar face joins the cast of The CW's Arrow as The Flash! Glee's
Grant Gustin, who played conniving Dalton Warbler Sebastian Smythe, has
booked the coveted role of Barry Allen aka The Flash in three episodes
of the superhero series, including a potential backdoor pilot for his
own spin-off show!