I Am Sam (stylized in all lowercase) is a 2001 American drama film co-written and directed by Jessie Nelson. It stars Sean Penn, Michelle Pfeiffer, Dianne Wiest, Dakota Fanning, Richard Schiff, Loretta Devine, and Laura Dern. Nelson and co-writer Kristine Johnson researched the problems facing adults with intellectual disabilities by visiting the non-profit organization L.A. GOAL (Greater Opportunities for the Advanced Living). They subsequently cast two actors with disabilities, Brad Silverman and Joe Rosenberg, in key roles.