Here's the list of actors in that movie. If you click on one the other movies they've appeared in, if they have, will appear at the bottom of that page. http://www.hunk-ch.com/search.php?s=GV-DSK1
This is the page of the maker of the video, [email protected]
At the very bottom you'll see the two actors who definitly have more movies. I'm not sure if they are who you're looking for but by clicking on their icon you will see what other movies they've made and can look for them. http://www.games-video.co.jp/dvd_detail.php?code=WIG-226
Here is Richihttp://www.games-video.co.jp/search.php?c=149&model=on
Here is Yukihttp://www.games-video.co.jp/search.php?c=144&model=on
If you can't read Japanese, just use google translate.