Dubbing mixer and sound re-recording mixer who entered British film as an assistant dubbing mixer for SUPERMAN (1978). Other notable (non-nominated) credits include MOONRAKER (1979), CLASH OF THE TITANS (1981), VICTOR/VICTORIA and BLADE RUNNER (both 1982), GREYSTOKE: THE LEGEND OF TARZAN, LORD OF THE APES and SUPERGIRL (both 1984), A VIEW TO A KILL and REVOLUTION (both 1985), THE LIVING DAYLIGHTS and HELLRAISER (both 1987), THE ADVENTURES OF BARON MUNCHAUSEN (1988), CRIMINAL LAW and LICENSE TO KILL (both 1989), TIE ME UP! TIE ME DOWN! (1990), THELMA & LOUISE and COMPANY BUSINESS (both 1991), GOLDENEYE (1995), THE SAINT and TOMORROW NEVER DIES (1997), WING COMMANDER, THE WORLD IS NOT ENOUGH and EYES WIDE SHUT (all 1999), STANLEY KUBRICK: A LIFE IN PICTURES (2001), SWEET SIXTEEN and DIE ANOTHER DAY (both 2002), JUST A KISS (2004), and OPA! (2005). Hartstone became head of post production at Pinewood Studios in 1988. He is a Fellow of the Association of Motion Picture Sound (AMPS), and he was honored with the Charles Parkhouse Award by the British Kinematograph, Sound & Television Society in 1998.  Nominated for Sound 1978: SUPERMAN (w. Gordon K. McCallum, Nicolas LeMessurier & Roy Charman)  Nominated for Sound 1984: A PASSAGE TO INDIA (w. Nicolas LeMessurier, Michael A. Carter & John Mitchell)  Nominated for Sound 1986: ALIENS (w. Nicolas LeMessurier, Michael A. Carter & Roy Charman) 3 nominations