Sam Mercer is a producer of many Hollywood films, including several projects directed by M. Night Shyamalan such as Signs, Lady in the Water and Unbreakable, as well as other films like Van Helsing and Things We Lost in the Fire. His career started during the early 1980s as a location manager and later advanced to a producer and executive producer. He also produced the M. Night Shyamalan films The Happening and The Last Airbender.