51 minutes in the movie, Brad Gorton is naked on the bed. As he stands out of bed to put his underwear back on, we get a very good view at his butt.
There are also several scenes where he can be seen shirtless or in sportwear throughout the movie.

83 minutes in the movie, Emile Charles is getting naked to go swim with the dolphins. We see his butt and his uncut dick before he jumps in the water, and then again abundantly when he is swimming under water for several minutes.
86 minutes in the movie, a dolphin is morphing into Carsten Norgaard and we see his butt.

9 minutes in the movie, Oliver Reed is running naked to jump into a lake. We see his dick and butt from a distance.

Chris Zeischegg gets naked 13 minutes in the movie. After he undresses, we see him jerking off a bit.
29 minutes in the movie, we see Nolan Gerard Funk wearing nothing but a small underwear with a big bulge. But unfortunately, no full nudify from Nolan Gerard Funk in this movie.

15 minutes in the movie, we briefly see Shia LeBeouf's dick and then his butt. Then we see again his balls and dick when he is making love on a bed.

23 minutes in the movie, and for 2 minutes, we see the big black erect dicks of Papou and Kookie Ryan.

76 minutes in the movie, we see Jean-Marc Barr's erect penis as he is getting a blow job.

17 minutes in the movie, we see Shia LaBeouf's circumcised penis and butt as he is making love to a young girl.
26 minutes in the movie, we see a partial butt view of Anders Hove.
31 minutes in the movie, we see the erect penis of Clayton Nemrow. The we see him getting a blow job.

56 minutes in the movie, we see Reed Luplau's firm bubble butt.
One minute later, Ryan Steele is naked too.
We see both their butts for a couple of minutes as they are making love on the floor. We see Reed Luplau's bush but no full frontal nudity.

We get to see Pio Marmaï naked in details in this movie. He stands naked in a kitchen and in bed, letting us admire his amazing dick. He has a nice long uncut penis, with a long and tight foreskin. His pubes are untrimmed. In bed, his penis is also very impressive and appears even longer. Maybe he was a little excited.

This is quite a nice movie.
7 minutes in the movie, there are some nice bulge scenes in swim suit from John Ort and Gregory Marcel.
51 minutes in the movie, John Ort and Gregory Marcel undress and make love.
We first see John Ort's smooth butt.
Then we see Gregory Marcel's butt.
52 minutes in the movie, for a few frames, we see John Ort soft cut penis.

In this movie, the sexy Stanislas Merhar is seen buck naked. No frontal nudity but a good view at his bulge in a thin bath towel that does not leave much to imagination.