Seth Gordon Director Vince Vaughn Brad Actor Reese Witherspoon Kate Actor Robert Duvall Howard Actor Jon Favreau Denver Actor Mary Steenburgen Marilyn Actor Dwight Yoakam Pastor Phil Actor Tim McGraw Dallas Actor Kristin Chenoweth Courtney Actor Jon Voight Creighton Actor Sissy Spacek Paula Actor Matt Allen Screenwriter Caleb Wilson Screenwriter Jon Lucas Screenwriter Scott Moore Screenwriter Roger Birnbaum Producer Gary Barber Producer Bruce Berman Producer Jonathan Glickman Producer Peter Billingsley Executive Producer Toby Emmerich Executive Producer Michael Disco Executive Producer Mark Kaufman Executive Producer Guy Riedel Executive Producer Richard Brener Executive Producer Alex Wurman Original Music John O'Brien Original Music Sophie de Rakoff Costume Design Mark Helfrich Film Editing Melissa Kent Film Editing Shepherd Frankel Production Design Jeffrey Kimball Cinematographer