Glee alum Grant Gustin was "intimidated" by Naya Rivera's "talent" and "presence" during his time on the Fox smash. The Flash star, who recurred on Glee for three seasons as antagonist Sebastian ...
Grant Gustin felt ... Martin, Valdes, Jordan, Garber, Gustin, Benoist and Criss all had done or would do Broadway, while Gustin, Benoist and Criss had all been on Glee. Darren Criss as Music ...