Yes it was full frontal nudity by Mr. Sarsgaard in Kinsey... He and Mr. Kinsey had a homosexual experience after checking out a gay bar in Chicago.
I thought the scene where they go into the gay bar circa 1955 Chicago most interesting. They tried to interview several different bar patrons, the queens ("Oh Mary, he must be joking"), the butch professional, and I felt so sorry for battered farm boy.
He relates how his father caught him with another guy when he was a teenager. His father then branded him (he shows Kinsey his "cattle brand" marks), and his brothers beat the living hell out of him and his boyfriend. He said he got lucky as he had only a few broken ribs. His friends didn't fare so good. Of course, his dad told him to get lost and never come back. NOw that was tragic.
It sounds like something Ennis's dad would do! THough never seen, Ennis seems to implicate that his father could have played a role in killing a gay rancher. In the short story, Ennis tell Jack that his dad would take a tire iron to them if he walked into the motel room.