Entertainment Tonight” at the LA premiere for his latest film, “The Boys in the Boat.” Clooney, who took over the role of Gotham’s darkest knight from Val Kilmer after the 1995 film “Batman Forever,” made a brief cameo as Bruce Wayne at the end of this year’s “The Flash” movie, starring Ezra Miller. In the scene, Barry Allen (Miller) can be seen staring at a black town car as it gets swarmed by reporters.