Ben Stiller as Walter Mitty, an administrator negative active file in LIFE.
Kristen Wiig as Cheryl Melhoff, love interest and colleague Walter.
Shirley MacLaine as Edna Mitty, Walter's mother.
Adam Scott and Ted Hendricks, the new head of Walter.
Kathryn Hahn as Odessa Mitty, sister of Walter.
Sean Penn Sean O'Connell, a photojournalist.
Patton Oswalt as Todd Maher, a representative of customer service eHarmony.
Ólafur Ólafsson Darri pilot Greenland.
Jon Daly and Tim Naughton, one of the co-workers of Walter.
Terence Bernie Hines as Gary Mannheim, one of the co-workers of Walter.
Adrián Martínez Hernando, alternate and Walter coworker.
Kai Lennox as Phil Melhoff, the ex-husband of Cheryl.
