(written from a Production point of view)
Richard Forinash (born 23 April 1949; age 69) is an actor who appeared as an Enterprise lieutenant in Star Trek II: The Wrath of Khan. As a background actor he received no credit for his appearance. 
Beside Star Trek, Forinash appeared in several movies as a background performer, including the music drama The Jazz Singer (1980), the fantasy comedy The Devil and Max Devlin (1981, with Reggie Nalder and Julie Parrish), the drama True Confessions (1981, with Gwen Van Dam, Darwyn Carson, and Matthew Faison), the crime comedy The Sting II (1983, with Teri Garr, Bert Remsen, Larry A. Hankin, Rex Pierson, Bob Minor, and Felix Silla), the comedy Doctor Detroit (1983, with Parley Baer), Brian De Palma's thriller Scarface (1983, with F. Murray Abraham, Harris Yulin, Mark Margolis, and Gregg Henry), the comedy The Lonely Guy (1984, with Matthew Faison), the comedy Brewster's Millions (1985, with Stephen Collins and Robert Ellenstein), and the drama Jo Jo Dancer, Your Life Is Calling (1986, with Barbara Williams, Mike Genovese, and Sam Hennings).
Television background parts include the series Herbie, the Love Bug (1982), Fantasy Island, Battlestar Galactica, Hart to Hart, Hill Street Blues, The Incredible Hulk, Knight Rider (starring Patricia McPherson), Kojak, Murder She Wrote, Quincy, M.D., Simon & Simon, St. Elsewhere, and The Outlaws.