Cara Buono
Joanne
Robert Downey Sr.
Baker
Jonah Meyerson
Henry
Quinn Shephard
Linda
David Lansbury
Brian
Richard M. Davidson
Doctor
Lori Tan Chinn
Mrs. Kim
Laura Esterman
Psychiatrist
David Smilow
Science Reporter
Michael Clinton
Farmer
Isaach de Bankolé
Abraham
Robert Peters
Steve
Melissa Leo
Miriam
Paul Lazar
Larry
Helen Hanft
Shirley
Jimmy Gary Jr.
Sam
Rony Clanton
Frank
Sharon Wilkins
Jill
Joel de la Fuente
Alien
Marcia Jean Kurtz
Brian's Mom
Larry Block
Brian's Dad
Jay Oakerson
Big Lab Assistant
Gregory Korostishevsky
Small Lab Assistant
Kristen Schaal
Information Librarian
Peter Bartlett
Curator
Susham Bedi
Vegetarian
Ed Wheeler
Guard
Joseph McKenna
Confessor
Lori Braverman
Woman Gambler
Alberto Vasquez
Jerry
Tyagi Schwartz
Rosselli
Johann Carlo
Frieda
Ethan Crough
Jack
Kola Ogundiran
Peter
Sean Sutherland
Tourist
Peri Smilow
News Reporter
Dwandra Nickole
Admissions Person
Traci Parks
Conservator