13 May – "Gunpowder Milkshake" has received an extra boost of star power, this time in the form of Malaysian actress Michelle Yeoh. Highly known for her martial arts skills, the actress joins confirmed cast Karen Gillan, Lena Headey, Paul Giamatti and Angela Bassett in the female-driven high-concept assassin movie. According to The Hollywood Reporter, Yeoh's character is part of a sisterhood of secret arms dealers, who come together to help the mother-daughter assassin duo played by Headey and Gillan when things go south for the two.