Middletown High School graduate Aaron Tveit will star as Danny Zuko in a live production of “Grease” that will air in January on Fox.Tveit will share the stage with Julianne Hough as Sandy and Vanessa Hudgens as Rizzo. “Grease Live” will air on Jan. 31.“I’m thrilled and honored to be joining this incredibly talented team of actors in re-imagining this classic and beloved musical,” Tveit said on his website.