William Gaither "Billy" Crudup portrayed Henry Allen in Justice League. He will reprise the role in The Flash.
Trivia
- Billy Crudup previously portrayed Dr. Manhattan in Zack Snyder's Watchmen. He worked with Zack Snyder, Patrick Wilson, Jeffrey Dean Morgan, Carla Gugino and Carmen Lavigne on the film.
- Billy Crudup previously worked with Ezra Miller in The Stanford Prison Experiment.