Entertainment Movie Release Movies Read Time : 2 Minutes GUNPOWDER MILKSHAKE Trailer Brings Karen Gillan, Lena Headley, Angela Bassett, Michelle Yeoh Together For Action May 25, 2021May 25, 2021 Hoob Sam (KAREN GILLAN) was only 12 years old when her mother Scarlet (LENA HEADEY), an elite assassin, was forced to abandon her. Sam was raised by The Firm, the ruthless crime syndicate her mother worked for.