Jesse Stone: Sea Change is a 2007 American made-for-television crime drama film directed by Robert Harmon and starring Tom Selleck, Kathy Baker, and Kohl Sudduth. Based on the 2006 novel Sea Change by Robert B. Parker, the film is about the police chief of a small New England town who investigates the unsolved murder of a bank teller shot during a robbery, and an alleged rape that draws him into conflict with the town council. It hopes to preserve the town's reputation as an ideal seaside resort. Filmed on location in Nova Scotia, the story is set in the fictitious town of Paradise, Massachusetts. Jesse Stone: Sea Change is the fourth in a series of nine television films based on Parker's Jesse Stone novels.

Thomas William Selleck is an American actor. His breakout role was playing private investigator Thomas Magnum in the television series Magnum, P.I. (1980–1988), for which he received five Emmy Award nominations for Outstanding Lead Actor in a Drama Series, winning in 1985. Since 2010, Selleck has co-starred as New York City Police Commissioner Frank Reagan in the series Blue Bloods. From 2005–2015, he portrayed troubled small-town police chief Jesse Stone in nine television films based on the Robert B. Parker novels.