GOOD MORNING: Bruce Willis, also known as N.Y. police Lt. John McClane of “Die Hard With a Vengeance” and previous “Die Hards,” taped a TV spot for the NYPD — and possibly for use by other cities’ police departments — in which Willis exhorts civilians, “When you see a policeman, walk up to him and say, ‘Thank you.’ ” Among those on hand at the Westwood Village preem to say “thank you” to Willis (and the Fox film troupe?) was former L.A. police chief Daryl Gates, wearing the blue ribbon’d lapel pin showing support for police … Willis winged out from L.A. Friday to show support for servicemen in the Korean DMZ by playing a concert for ‘em with his group, the Accelerators. Willis had been with his mom, sister and two brothers for the Mann’s Chinese Theatre forecourt festivities, the pic’s Village preem, then a small supper party for family-friends at the Pane e Vino restaurant in which he’s an investor. Willis told me he hopes to continue to mix his pix with small, supporting roles …”Die Hard” director-producer John McTiernan said he segues into a smaller pic, “Amanda,” wearing exec producer’s hat while wife Donna Dubrow produces the story of a young boy and his horse (the horse is named Amanda). It was Dubrow who originally found the “Simon Says” story that evolved into the current “Die Hard” and gave it to husband McTiernan … Exec producer Andy Vajna, also readying the June 30 release of his Sylvester Stallone starrer “Judge Dredd,” told me he will definitely start “Evita” in August with Alan Parker directing Madonna and Antonio Banderas … The turnout for the “Die Hard” preem was so large, an overflow from the Village and Bruin theaters segued over to the Mann Westwood fourplex. Among the celebs on hand, Quentin Tarantino, who apologized for being so intense that evening, later explaining he’s getting in character for his next pic, “From Dusk Till Dawn,” in which he plays — a psycho killer. I know he’s only kidding. I hope … Other celebs (?) on hand at the preem, Kato Kaelin, who was besieged by TV crews for clever quotes and double entendres. Ah, this too is showbiz.WHAT’S NEXT AFTER tonight’s “The Laverne & Shirley Reunion”? How about “The Mork & Mindy Reunion”? That’s what “Laverne & Shirley’s” exec producer, director Malcolm Leo, is noodling. He also did the “Happy Days Reunion.” And, with the success of “The Brady Bunch Movie”– Leo’s thinking about bigscreening Penny Marshall and Cindy Williams — while watching the ratings from their TV reunion tonight … Robert Duvall is wearing two hats on UA’s bigscreen “A Family Thing, ” in which he stars as James Earl Jones’ long-lost half-brother. Duvall’s also producing, along with Todd Black and Randa Haines; the latter directed Duvall in “Wrestling Ernest Hemingway”… France’s Line Renaud, a hefty Jacques Chirac supporter (will she get a cabinet post?), winged to her U.S. home in Vegas for a few days, then stops here in L.A. before resuming roles in Paris on a comedy feature, “My Wife Is Leaving Me,” two telepix, “Sixth Grade” and “Rainbow,” then returns to the Paris stage in “The Visit,” in which Lauren Bacall stars on London’s boards … The Improv’s Budd Friedman and Mark Lonow are filming a CD-ROM, “The Improv Game,” for Philips Intl. Comics play waiters, waitresses, cooks, busboys. Viewers click on two-minute clips of other comics culled from Steve Allen’s vast collection of tapes including stints by Lenny Bruce. If you fail to correctly play the game, your comic goes to “Comics Hell”! They know it well … From the ridiculous to the sublime: The Sanford Meisner Center for the Arts opened Friday with nine one-act plays. IT’S AN EMMY RECORD FOR “The Price Is Right” host Bob Barker, who won his eighth award … Agent Frank Cooper celebrated his 83rd birthday Sunday, also his 69th year in the biz and his and wife Sylvia’s 58th wedding anni … Barry Bostwick and wife Sherri welcomed their first, son Brian Lake B., April 29 at Santa Monica Hospital … Sumner Redstone and wife Phyllis winged into town, dined with Bob Evans at Eclipse in advance of Tuesday’s Alan K. Jonas Life Achievement Award dinner at the BevHilton toasting Sumner for his service to the American Cancer Society … Par’s vice chairman Barry London is honored June 16 at the Hilton with Retinitis Pigmentosa Intl.’s National Vision Award. Honorees also include Sherwood Schwartz, Bill Bell and (posthumously) Lester Sill … Florida’s Film Fest includes “An Evening With Karen Black and Conrad L. Hall” June 8, and Janet Leigh is guest of honor June 10 at the Universal Studios Florida fest site … Celeb guest list for the June 3 opening of the BevHills Hotel (benefiting the Academy of Motion Picture Arts & Sciences Foundation) ranges from A-Anne Archer to Z-Richard Zanuck plus O’s-Oscar winners, including Anthony Hopkins, Martin Landau, Liza Minnelli, Gregory Peck and Billy Wilder … The Craft & Folk Arts Museum “Homecoming” re-opening gala grossed $ 142,000.