Russell Crowe
John Nash
Jennifer Connelly
Alicia Nash
Ed Harris
William Parcher
Paul Bettany
Charles Herman
Christopher Plummer
Dr. Rosen
Josh Lucas
Martin Hansen
Adam Goldberg
Richard Sol
Anthony Rapp
Bender
Judd Hirsch
Helinger
Jason Gray-Stanford
Ainsley Neilson
Austin Pendleton
Thomas King
Vivien Cardone
Marcee
Jillie Simon
Bar Co-Ed
Victor Steinbach
Prof. Horner
Tanya Clarke
Becky
Thomas F. Walsh
Captain
Jesse Doran
General
Kent Cassella
Analyst
Patrick Blindauer
MIT Student
John Blaylock
Photographer
Roy Thinnes
Governor
Anthony Easton
Young Man
Cheryl Howard
Harvard Administrator
Josh Pais
Princeton Professor
David B. Allen
John Nash Teenager
Michael Esper
John Nash Young Man
Erik Van Wyck
Princeton Student
Rance Howard
White-Haired Patient
Jane Jenkins
Code-Red Nurse
Darius Stone
Adjunct
Valentina Cardinalli
Joyce
Teagle F. Bougere
Young Professor
Amy Walz
Blond in Bar
Tracey Toomey
Brunette
Jennifer Weedon
Brunette
Yvonne Thomas
Brunette
Holly Pitrago
Brunette
Isadore Rosenfeld
Pen Ceremony Professor
Tom McNutt
Pen Ceremony Professor
Alex Toma
Toby
Bryce Dallas Howard
Student at Harvard University (Uncredited)
Ryan O'Connor
Princeton Student (uncredited)