Hollywood actor and filmmaker Jon Favreau is set to appear in Four Christmases, a new big-screen comedy featuring his Swingers co-star Vince Vaughn.Country music stars Tim McGraw and Dwight Yoakam have also signed on for roles in the holiday flick, The Hollywood Reporter said.Favreau and McGraw will play the bullying brothers of Vaughn’s character, Brad, while Reese Witherspoon plays Vaughn’s …
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