Peter Sarsgaard

Stanley Milgram

Winona Ryder

Alexandra "Sasha" Milgram

Jim Gaffigan

James McDonough

Edoardo Ballerini

Paul Hollander

John Palladino

John Williams

Kellan Lutz

William Shatner

Dennis Haysbert

Ossie Davis

Danny A. Abeckaser

Braverman

Taryn Manning

Mrs. Lowe

Anthony Edwards

Miller

Lori Singer

Florence Asch

Josh Hamilton

Tom Shannon

Anton Yelchin

Rensaleer

Adriana Randall

Mrs. Stein

Donnie Keshawarz

Bruno

Michael Siberry

George Bellak

Ned Eisenberg

Solomon Asch

John Leguizamo

Taylor

Harley Ware

Alan Elms

Jason Black

Sasha's Suitor

Kyla Noelle

Party Hostess

Minnie

Elephant in the Room

Tom Farrell

Whittaker

Xavier Fan

Taketo Murata

Craig De Lorenzo

Student #1

Emily Vere Nicoll

Donna Abbott

Gary Shteyngart

Worthheimer

Abe Altman

Curtis

Paul Lazar

Paul Errara

Gameela Wright

Mrs. Greer

Pascal Yen-Pfister

Serge Moscovici

Mark Elliot Wilson

Mr. Abe Lincoln

Lucy Fava

Michele Milgram

Jude Patrick White

Marc Milgram

Emerson Rosenthal

Maury Silver

Betty Gabriel

Sally

Tom Bateman

Dick Cavett

Diego Cortez

Percy

Emily Tremaine

Shelia Jarcho

Vondie Curtis-Hall

Thomas Shine

Harold Takooshian

Familiar Stranger

Jicky Schnee

Woman in Yellow

Karl Geary

Stephen Macht

Tom Roma

Counterman

Emily Nicole Hansen

Hospital Receptionist

Bay Bryan

Harvard Student

Derek Chadwick

Harvard Student

Adrian Centoni

Harvard Student

Anthony Gallino

Harvard Student

Cecelia Gray

Harvard Student

Nina Hausner

Harvard Student

Clara Lipfert

Harvard Student

Natalia Miranda Guzman

Harvard Student

Benjamin Russell

Harvard Student

Jon Steiger

Harvard Student

Justin Cass

C.U.N.Y. Student

Dean David

C.U.N.Y. Student

Aaron Dalla Villa

C.U.N.Y. Student

Robyn Michele Frank

C.U.N.Y. Student

Sakura Lin

C.U.N.Y. Student

Michelle Martinez

C.U.N.Y. Student

Martin Mundzik

C.U.N.Y. Student

Chris Nester

C.U.N.Y. Student

John Pinerio

C.U.N.Y. Student

Thomas Ahlers

Small World Problem Experimenter

Kerry Johnson

Small World Problem Experimenter

Spencer Kennedy

Small World Problem Experimenter

Sam Lipstyle

Small World Problem Experimenter

Joel Milgram

Small World Problem Experimenter

Alex Provan

Small World Problem Experimenter

Anna Thorngate

Small World Problem Experimenter

Dustin Yellin

Small World Problem Experimenter

Michally Kaiyalethe Diamond

Contemporary Crowd Crystal Experimenter

Piibe Kolka

Contemporary Crowd Crystal Experimenter

Robert McDonough

Contemporary Crowd Crystal Experimenter

Alexandra Milgram

Contemporary Crowd Crystal Experimenter

Lucas K. Schlenk

Contemporary Crowd Crystal Experimenter

Mamoudou Athie

Crying Man (uncredited)