Dramas/Movies where

Boku to Star no 99 Nichi - japanese drama with korean actress kim taehee

Lupin the 3rd - japanese movie with cameo of taiwanese actor Jerry Yan

Virgin Snow - jaapn based movie with korean actor Lee joonki

Muscle Girl - japanese drama with k-actoe hongki

Also, Bae Doona has been in to j-movies: Air doll and Linda Linda Linda

Friends - korea & japan collab drama with korean actor Won Bin and Kyoko Fukada

Five Minutes to Tomorrow - a chinese movie with Haruma Miura

Secret Message - korean based webdrama with Juri Euno

My May - korean film with j-actor joe odagiri

Lastly, Dean Fujioka was in 2 taiwanese dramas: Miss no Good and Just You

Gata no Kuni Kara is only 2 episodes but the Thai actor Mahayotaruk Thiti has a main role!

Movies:
Moonlight Express - hk movie with Leslie Cheung and Tokiwa Takako
Fulltime Killer - hk movie with Andy Lau and Sorimachi Takashi
The Longest Night in Shanghai - cmovie with Vicki Zhao and Motoki Masahiro
Waiting in the Dark - jmovie with Bolin Chen and Tanaka Rena
Dream (2008) - kmovie with Odagiri Joe and Lee Na young
Genome Hazard - jk movie. Nishijima Hidetoshi and Kim HyoJin
Jinx - jmovie. YamaKen and Hyomin
Killers - j-indo movie. Kitamura kazuki and indonesian actor Antara Oka
Initial D - hk movie. Suzuki Anne has a supporting role
Riding Alone for Thousands of Miles - cj production with Takakura Ken
Moon Child - jmovie. Gackt hyde and Wang Leehom

edit: and Seungri had a role in High&Low The Movie