Grant Gustin: 'Glee' Fans Haven't Seen The Last Of Sebastian Smythe

[MyWorld]

Sebastian Smythe had even his Dalton Academy Warblers turning against him after throwing a rock salt slushie in the face of Blaine Anderson on Tuesday night's "Glee," and Grant Gustin, who plays the show's new bad boy, said fans haven't seen the last of him.