Cody Burger in National Lampoon's Christmas Vacation (1989)

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

Johnny Galecki in National Lampoon's Christmas Vacation (1989)

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

Chevy Chase and E.G. Marshall in National Lampoon's Christmas Vacation (1989)

Diane Ladd, Doris Roberts, E.G. Marshall, and John Randolph in National Lampoon's Christmas Vacation (1989)

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

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

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

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

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

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

Chevy Chase 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)

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)