Robin Williams character Mitch Mitchler
Lauren Graham character Luann Mitchler
Wendi McLendon-Covey character Shauna Welnke
Joel McHale character Boyd Mitchler
Jeffrey Tambor character Snowman (voice)
Matt Jones character Cowboy Dick
Pierce Gagnon character Douglas Mitchler
Candice Bergen character Donna Mitchler
Oliver Platt character Hobo Santa
Clark Duke character Nelson Mitchler
Amir Arison character Farhad
Ryan Lee character Rance Welnke
Tim Heidecker character Dave Welnke
Amara Miller character Pam Welnke
Gene Jones character Glen
Mark Proksch character Trooper Zblocki
Bebe Wood character Vera Mitchler
Parisa Johnston character Farhad's Wife
Steele Gagnon character Cale Weinke
Barak Hardley character Cowboy Bob
Karan Kendrick character Mom at Santaland Village
J.J. Jones character Young Boyd
Michael Shikany character Afgan Doctor
William Sanderson character Father Juge
Janet Meshad character Farhad's Grandmother
