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

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

National Lampoon's Christmas Vacation (1989)

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

Randy Quaid in National Lampoon's Christmas Vacation (1989)

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

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Julia Louis-Dreyfus, Randy Quaid, Brian Doyle-Murray, Johnny Galecki, Nicholas Guest, Ellen Latzen, and Mae Questel in National Lampoon's Christmas Vacation (1989)

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

Chevy Chase, Juliette Lewis, Randy Quaid, Cody Burger, Johnny Galecki, and Ellen Latzen in National Lampoon's Christmas Vacation (1989)

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

Ellen Latzen in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Diane Ladd, Mae Questel, and John Randolph 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, 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)