The first guy we see naked is Dennis W. Rittenhouse Jr. We see his butt at several occasions throughout the movie, and we also see his covered frontal at the beginning of the movie. Michael Haboush shows us a nice frontal while changing clothes after sport. He is clearly not shy of his nice body and cut dick. Jeff Sublett plays Michael Rozman's boyfriend and has one scene naked where we can see his butt partially.
Darren Moss is seen naked 3 minutes in the movie, with his nice uncut cock and great body. For 2 minutes he remains naked with the camera filming every angle of his body.
In the episode named "Mord in der ersten Liga" from 2010, Benjamin Sadler shows a full frontal while in a locker room. Benjamin Sadler has a massive uncut dick, large and thick.
Randy Becker is the first one to show skin, coming back from a swim. He drops the towel he had around his waist. He displays a nice butt and dick. Later in the movie, he kisses passionately Justin Kirk by the fridge at night. Again later they kiss in the lake. Randy is again buck naked, but from a distance this time.
57 minutes in the movie, Michele Riondino is taking a bath. As he stands up from the bath, we see his uncut dick and then his butt when he turns around.
For the first 10 minutes of the movie, Joe Dallesandro is naked. We first see his bubble butt and then his big circumcised dick. No need to pause the movie, as there are a full 10 minutes of full frontal and rear nudity. His dick is then half erect.
His pubes are untrimed and somewhat bushy.
25 minutes in the movie, a girl takes Joe Dallesandro's cock out of his underwear and we see his butt again 28 minutes in the movie as he is making love to the girl.
39 minutes in the movie, we see John Putnam's butt and dick. He is also circumcised. His pubes are extremely bushy.
50 minutes in the movie, Joe Dallesandro is taking a bath for 8 minutes and we can admire his body at length. There is a girl in the bathroom with him that find his dick "rather large".
66 minutes in the movie, we see Joe Dallesandro's dick again for 4 minutes and finally at the last minute of the movie again.
3 minutes in the movie. Michel Belli is naked in the kitchen. We get a good view at his uncut dick, as he is not moving during the whole scene.
Jérémie Laheurte is naked in bed 20 minutes in the movie. We first briefly see his dick.
Then 21 minutes in the movie, we see his big erect dick, circumcised, as he is about to make love to another actress.
Gonzalo Heredia goes with Darío Tripicchio to a sauna. Over there, they shower next to each other, and we see both of them naked, front and back.
Darío Tripicchio has a large uncut dick and Gonzalo Heredia has a medium sized uncut dick with untrimmed pubes.
Later in the movie, Gonzalo Heredia gets in a bath and in bed with Rafael Ferro. Both of them are see fully naked in the bed.
Stuart Laing has a sex scene where we can very briefly (on a couple of frames) see his dick. It's rather small, and his foreskin is so small he appears almost circumcised. His butt is not clearly visible but only its shape as it is backlit.