Kate is a 2021 American action thriller film directed by Cedric Nicolas-Troyan and written by Umair Aleem. The film stars Mary Elizabeth Winstead, Miku Martineau, Woody Harrelson, Tadanobu Asano, Michiel Huisman, Miyavi, and Jun Kunimura. The film follows Kate (Winstead), an assassin, whose mentor and handler (Harrelson) assigns her to kill a high-ranking yakuza boss. During Kate's final mission, she finds out that she has been poisoned and has at most a day to live, so she uses her last hours to get revenge and find out who set her up.

Mary Elizabeth Winstead is an American actress. Her first major role was that of Jessica Bennett on the NBC soap opera Passions (1999–2000). She came to wider attention for her roles in the horror series Wolf Lake (2001–2002), the horror films Final Destination 3 (2006) and Death Proof (2007), and the slasher film Black Christmas (2006).