The War Lover is a 1962 British war film directed by Philip Leacock and written by Howard Koch, loosely based on the 1959 novel by John Hersey, altering the names of characters and events but retaining its basic framework. It stars Steve McQueen, Robert Wagner and Shirley Anne Field.

Robert John Wagner Jr. is an American actor of stage, screen, and television. He is known for starring in the television shows It Takes a Thief (1968–1970), Switch (1975–1978), and Hart to Hart (1979–1984). He later had recurring roles on Two and a Half Men (2007–2008) and NCIS (2010–2019).