What actors and actresses appeared in The Red Wreath - 2011?

You're likely referring to the film "The Red Wreath" (2011), which is a Chinese film also known as "The Flowers of War". The main cast includes:

* Christian Bale as John Miller, an American mortician

* Zhang Ziyi as Sister Shu, a nun

* Ni Ni as a young woman named Yu Mo

* Tong Dawei as a Japanese officer

* Huang Xiao Ming as a Chinese soldier

* Han Zhang as a Chinese soldier

* Gao Yuanyuan as a woman who commits suicide

* Zhang Hanyu as a Chinese soldier

* Shi Yue as a Chinese soldier

* Zhang Junning as a woman who commits suicide

This is a partial list, but it includes the main cast members.