Jeffrey Donovan will play Hoover's rival Robert F. Kennedy. Miles Fisher will play FBI agent Garrison, who interviews his boss, J. Edgar Hoover, at various different stages in the movie.
Shooting on J. Edgar is already underway. Both Jeffrey Donovan and Miles Fisher will begin filming their scenes next week.
J. Edgar was released November 9th, 2011 and stars Leonardo DiCaprio, Judi Dench, Damon Herriman, Naomi Watts, Josh Lucas, Armie Hammer, Ed Westwick, Stephen Root. The film is directed by Clint Eastwood.