<Ul> <Li> Chevy Chase as Clark </Li> <Li> Beverly D'Angelo as Ellen </Li> <Li> Juliette Lewis as Audrey </Li> <Li> Johnny Galecki as Rusty </Li> <Li> John Randolph as Clark, Sr </Li> <Li> Diane Ladd as Nora </Li> <Li> E.G. Marshall as Art </Li> <Li> Doris Roberts as Frances </Li> <Li> Randy Quaid as Cousin Eddie </Li> <Li> Miriam Flynn as Cousin Catherine </Li> <Li> Cody Burger as Rocky </Li> <Li> Ellen Hamilton Latzen as Ruby Sue </Li> <Li> William Hickey as Lewis </Li> <Li> Mae Questel as Bethany </Li> <Li> Sam McMurray as Bill </Li> <Li> Nicholas Guest as Todd Chester </Li> <Li> Julia Louis - Dreyfus as Margo Chester </Li> <Li> Brian Doyle - Murray as Frank Shirley </Li> <Li> Natalia Nogulich as Helen Shirley </Li> </Ul> <Li> Chevy Chase as Clark </Li> <Li> Beverly D'Angelo as Ellen </Li> <Li> Juliette Lewis as Audrey </Li>

Who played audrey in national lampoon's christmas vacation