Tales of West Hollywood: 5 Nude Photos of Christopher Atkins
It does look like William Katt, but I don't think Katt ever appeared naked on film. It's probably a less well-known actor in a s movie. I 'think' that is Ron Yarborough. He did a nude centerfold for Playgirl back in the 70's. He showed up in a lot of later Playgirl collections, and on the internet. I can't beleive it! I've been looking for this pictures a long time ago and now finally find them!
Male Celeb Christopher Atkins Nude & Sexy in Famous Movie
Fortunately, he decided to take some steamy photos either before or after the fact. Atkins was very hot if a bit girly then, so let us remember after the jump [NSFW]. Click to enlarge. Image Source.
He is the son of Donald Bomann and Bitsy Nebauer, who divorced during his childhood. When he began acting, Atkins dropped the last name Bomann and used his middle name, Atkins, as his last name. A friend suggested that Atkins audition for The Blue Lagoon. A TV Guide reviewer wrote that "Atkins looks as if he would be more at home on a surfboard,"  and Gary Arnold wrote in The Washington Post that Atkins' performance "evoke[s] modeling sessions and beach-party movies.