Julia Louis-Dreyfus and Nicholas Guest in National Lampoon's Christmas Vacation (1989)

Randy Quaid and Brian Doyle-Murray in National Lampoon's Christmas Vacation (1989)

Chevy Chase in National Lampoon's Christmas Vacation (1989)

Natalija Nogulich in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Diane Ladd, and John Randolph in National Lampoon's Christmas Vacation (1989)

Beverly D'Angelo in National Lampoon's Christmas Vacation (1989)

Diane Ladd and John Randolph in National Lampoon's Christmas Vacation (1989)

Keith MacKechnie in National Lampoon's Christmas Vacation (1989)

Doris Roberts and E.G. Marshall in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Randy Quaid, Diane Ladd, Doris Roberts, Cody Burger, Miriam Flynn, Johnny Galecki, William Hickey, Ellen Latzen, E.G. Marshall, Mae Questel, and John Randolph in National Lampoon's Christmas Vacation (1989)

Chevy Chase and Beverly D'Angelo in National Lampoon's Christmas Vacation (1989)

Nicolette Scorsese in National Lampoon's Christmas Vacation (1989)

National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, and Johnny Galecki in National Lampoon's Christmas Vacation (1989)

Chevy Chase and William Hickey in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Randy Quaid, Diane Ladd, Doris Roberts, E.G. Marshall, Mae Questel, and John Randolph in National Lampoon's Christmas Vacation (1989)

Doris Roberts at an event for National Lampoon's Christmas Vacation (1989)

Chevy Chase in National Lampoon's Vacation (1983)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Randy Quaid, Brian Doyle-Murray, and Johnny Galecki in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Johnny Galecki, and John Randolph in National Lampoon's Christmas Vacation (1989)

Chevy Chase and Mae Questel in National Lampoon's Christmas Vacation (1989)