Len Ryan Wiseman is an American film director, screenwriter, and producer. He is best known for his work on the Underworld series, Live Free or Die Hard, and the 2012 film Total Recall. Wiseman runs the production company Sketch Films.

Live Free or Die Hard is a 2007 American action thriller film directed by Len Wiseman, and serves as the fourth installment in the Die Hard film series. It is based on the 1997 article "A Farewell to Arms" written for Wired magazine by John Carlin. The film's name is adapted from New Hampshire's state motto, "Live Free or Die".