Richard PortmanRichard Portman Selective FilmographyBrainscan(1994)Sound departmentRe-recording mixerDark Angel(1990)Sound departmentRe-recording mixerHyper Sapien: People from Another Star(1986)Sound departmentRe-recording mixerFrankenweenie(1984)Sound departmentSound re-recording mixerTimerider: The Adventure of Lyle Swann(1982)Sound departmentHead sound mixerQuintet(1979)Sound departmentRerecordingStar Wars(1977)Sound departmentRe-recording mixerYoung Frankenstein(1974)Sound departmentProduction rerecordingThe Day of the Dolphin(1973)Sound departmentSound re-recordistSilent Running(1972)Sound departmentRe-recording(*) uncredited