On Rotten Tomatoes , J. Edgar has an approval rating above 40 % based on less than 230 reviews with an average rating below 6/10 .
Gunner Wright and David A. Cooper have cameos as future presidents Dwight D. Eisenhower and Franklin Roosevelt , respectively , and are seen in the group of onlookers who arrive following the bombing at A. Mitchell Palmer 's house. Reviews have been mostly mixed , with many critics praising DiCaprio 's performance but feeling that overall , the film lacked coherence .
J. Edgar