J. Edgar received mainly mixed reviews with the majority praising DiCaprio 's acting but feeling that overall , the film was incoherent .
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. On review aggregator website Rotten Tomatoes reports an approval rating of 43 % based on 220 reviews , with an average rating of 5.7/10 .
J. Edgar