J. Larry Carroll (born 7 October 1946; age 78) is a writer and producer who wrote with David Bennett Carren the Star Trek: The Next Generation fourth season episode "Future Imperfect". Following this, Carroll worked as story editor on the next 18 episodes of the fourth season.
Carroll started his career in the editorial department where he worked as assistant and additional editor on projects such as Massacre at Central High (1976), Dracula's Dog (1978, starring Michael Pataki), and the thriller Roar (1981). In 1979 he wrote Tourist Trap on which he also worked as producer.
Further writing credits include the screenplay for The Day Time Ended (1980, with Marcy Lafferty), several episodes for He-Man and the Masters of the Universe (1985, with voice talents Alan Oppenheimer and Lou Scheimer), SilverHawks (1986), ThunderCats (1986), Ghostbusters (1986-87, with voice talents Alan Oppenheimer and Lou Scheimer), Dennis the Menace (1986, with voice talent Brian George), She-Ra: Princess of Power (1986-87, with Alan Oppenheimer and Lou Scheimer), The Comic Trip (1987), and BraveStarr (1987-88, with Alan Oppenheimer and Lou Scheimer).
Carroll also wrote stories for episodes of C.O.P.S. (1988), Beauty and the Beast (1989, starring Linda Hamilton and Ron Perlman, with Joseph Campanella, Ellen Geer, and Armin Shimerman), Teenage Mutant Ninja Turtles (1989), The Munsters Today (1989, with John Schuck, Lee Meriwether, and Jason Marsden), G.I. Joe (1990), Peter Pan and the Pirates (1990-91), Fievel's American Tails (1992, with voice talents Phillip Glasser and Gerrit Graham), Beyond Reality (1993) on which he also worked as story editor, Murder, She Wrote (1994, with Molly Hagan, Jeffrey Nordling, Gail Strickland, and William Windom), Space Precinct (1994, with co-writer David Bennett Carren), TekWar (1995, working with co-writer David Bennett Carren, actor William Shatner, and director Allan Kroeker) on which he also worked as creative consultant, Hypernauts (1996), Beyond Belief: Fact or Fiction (1997), Walker, Texas Ranger (1997, starring Clarence Gilyard, Jr. and Noble Willingham, with Vince Deadrick, Jr., Diamond Farnsworth, and Tanner Gill), F/X: The Series (1998), and Stargate SG-1 (1997, with co-writer David Bennett Carren).
Carroll also worked as writer and supervising producer on Diagnosis: Murder (1997-99) and Martial Law (1999-2000). He also wrote the stories for episodes of Pucca (2007) and Edgar & Ellen (2008).