New Line has cast Robert Duvall for the holiday comedy Four Christmases, starring Vince Vaughn and Reese Witherspoon.
The studio is planning on a December production start for the project, which is set up at Spyglass with Gary Barber, Roger Birnbaum and Jonathan Glickman producing.
Vaughn and Witherspoon also are producing the film, in which a couple struggles to visit all four divorced parents on Christmas Day.
Seth Gordon is directing from a script by the writing team of Matt Allen and Caleb Wilson.