Onder andere met: Ben Stiller (Walter Mitty), Kristen Wiig (Cheryl Melhoff), Jon Daly (Tim Naughton (as Jonathan C. Daly)), Kathryn Hahn (Odessa Mitty), Terence Bernie Hines (Gary Mannheim), Adam Scott (Ted Hendricks), Paul Fitzgerald (Don Proctor), Grace Rex (Cheryl's Co-Worker), Alex Anfanger (Ted's Toner Box Associate), Amanda Naughton (Female Editor), Adrian Martinez (Hernando), Nolan Carley (Western Union Employee), Joey Slotnick (Retirement Home Administrator), Shirley MacLaine (Edna Mitty), Gary Wilmes (Walter's Dad), Sean Penn (Sean O'Connell), Patton Oswalt (Todd Maher)