Neil Patrick Harris is naked in bed 30 minutes in the movie. When he leaves the bed, we see his bare ass. Unfortunately there is no frontal nudity of Neil Patrick Harris in this movie. Neil Patrick Harris is known for being circumcised.

In Gone Girl, Ben Affleck reveals his penis and butt for the first time in a movie.
In this famous shower scene, we can briefly see Ben Affleck's butt and penis from the side. Ben Affleck has a very big cut dick.

03/06/2015 Update: all pictures have been removed at the request of Twentieth Century Fox Film Corporation.