Lock Up is a 1989 American prison action film directed by John Flynn. It stars Sylvester Stallone, Donald Sutherland, John Amos, and Tom Sizemore. It was released in the United States on August 4, 1989.

Donald McNichol Sutherland is a Canadian actor and anti-war activist whose film career spans over seven decades. He has received numerous accolades, including a Primetime Emmy Award, two Golden Globe Awards, and a Critics Choice Award. He has been cited as one of the best actors never to have received an Academy Award nomination. In 2017, he received an Academy Honorary Award.