The first is that Murakami Shingo will be starring in this year's NTV's 24hr. drama special and Shibutani Subaru will have a supporting role.
NTV 24hr OHP (Japanese)
Also Maruyama Ryuhei will be part of the regular cast of upcoming cop drama, Strawberry Night. The drama ran as a SP earlier in the year and is being made as a full drama for the winter season. With the longer run new cast members have been added, with Maruyama being one of those new additions.
The drama will air on Fuji TV starting in January 2012.
Tokyo Graph article. (English)
Also SMAP's upcoming compilation album, SMAP AID, is up for pre-order and is listed as being a limited release.