JAPAN

as far as multitasking JE idols go, I only looked at their acting abilities to put them on this list

• Female
  • Ayase Haruka
  • Shida Mirai
  • Karina
  • Kitagawa Keiko
  • Toda Erika
  • Maya Miki
  • Eikura Nana
  • Kanjiya Shihori
  • Ryo
• Male
  • Mizushima Hiro
  • Mizobata Junpei
  • Miura Haruma (Amuse)
  • Satoh Takeru (Amuse)
  • Sakurada Doori (Amuse)
  • Kamiki Ryunosuke (Amuse)
  • Kimura Takuya (SMAP)
  • Tamaki Hiroshi
  • Eita
  • Yoshizawa Hisashi
  • Kaname Jun
  • Fujiki Naohito
  • Mukai Osamu
  • Yamada Ryosuke (Hey! Say! JUMP)
  • Nishikido Ryo (NEWS)
  • Yamashita Tomohisa (NEWS)
  • Kamenashi Kazuya (KAT-TUN)
  • Seto Koji
  • Sakamoto Shogo
  • Irie Jingi
  • Ninomiya Kazunari (Arashi)
  • Satoshi Ohno (Arashi)
  • Matsumoto Jun (Arashi)
  • Sakurai Sho (Arashi)

(will add more/edit another time)