Official website: http://www.sonyclassics.com/irrationalman/
Joaquin Phoenix
Abe
Emma Stone
Jill
Jamie Blackley
Roy
Parker Posey
Rita
Joe Stapleton
Professor
Brigette Lundy-Paine
Braylin Student
Betsy Aidem
Jill's Mother
Ethan Phillips
Jill's Father
Paula Plum
College President
Nancy Giles
President's Assistant