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. 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