Emerging from the United States, Michael Horton built a career as a character actor whose most recognizable part was Grady Fletcher, the nephew of Jessica Fletcher on the long-running mystery series Murder, She Wrote. His on-screen résumé spans a variety of popular shows and films, including guest spots on Star Trek: Voyager, ER, Dances with Wolves, Taxi, MA/SH, 21 Jump Street, Baywatch and The Ed…