<Li> Sid Caesar as Mr. Ellis </Li> <Li> Jerry Weintraub as "Gilly from Philly" </Li> <P> Vegas Vacation was filmed in Las Vegas, Nevada, during the busy tourist season, from mid-June through late September 1996 . Extensive footage was shot at The Mirage Resort, and included the resort's diving dolphins and its Siegfried & Roy show . Other filming locations included Casa de Shenandoah, the home of entertainer Wayne Newton, who also appears in the film . Scenes were also filmed at the Klondike Hotel and Casino, and on soundstages at the Las Vegas Video Sound Film Production Center . </P> <P> Nichols and Embry became the fourth different set of actors to play the Griswold children, Audrey and Rusty . This fact is referenced early in the film when Clark Griswold comments that he hardly recognizes his children anymore . </P>

Where was national lampoon's vegas vacation filmed