There ar are so many I am not sure if I can remember then all kiriyama renn Nagase tomoya Matsujun Oguri shun Matsuda shouta Matsuzuka tori Kamenashi kazuya Ikuta toma Mizushima hiro Yamamoto yusuke And many more
Ah I forgot Narimiya hiroshi Sakurai sho Ohno satoshi Masaki aiba Ninomiya kazunari I <3 Arashi
Kame, Yusuke and Haruma Miura...oh and Daito Shunsuke and Oguri Shun and...well too many :D
EASY ONE SINCE I DON'T KNOW MANY JAPANESE ACTORS...BUT MY FAVE TILL NOW IS Kamenashi Kazuya (KAME)
all of ARASHI Yamashita Tomohisa (mainly for kurosagi) Oguri Shun Yokoyama Yu (so good as a baddie) Yamamoto Yusuke Satoh Takeru Mizushima Hiro (sadly retired :() and a lot more, mainly johnny's
Kame (my ichiban) MatsuJun Oguri Shun Mizushima Hiro Daito Shunsuke
Mine would be YamaPi Oguri Shun MatsuJun Narimiya Hiroki Matsuda Shota
Matsumoto Jun, Kamenashi Kazuya, Yamamoto Yusuke & Oguri Shun .... I'm not sure is Akanishi Jin one fav too. ._.
heh, Matsujun is pretty much in every ones' lists
Takuya Kimura (is there no thread on this very famous actor on here?), Tamaki Hiroshi, Shoda Matsuda and Fujiki Naohito.
Ikuta Toma Kamenashi Kazuya Tamaki Hiroshi Okada Masaki Mizushima Hiro Yamashita Tomohisa Mizobata Junpei Koike Teppei Seto Koji
Kamenashi Kazuya Kimura Takuya Nishikido Ryo Yamamoto Yusuke Fujiki Naohito
My favorite ones are Oguri Shun (definitely my no 1 ^-^), Ikuta Toma, Matsumoto Jun and Mizushima Hiro
I Can't believe I haven't posted here before... Well, I guess late is better than never..

Nishikido Ryo <33
Yamamoto Yusuke <33
Ninomiya Kazunari <33
Koike Teppei <3

<3 Loved him in LoveCom, Need to watch more with him before I can officially name him as a fave J-actor....