Larry Gopnik

Michael Stuhlbarg

Sy Ableman

Fred Melamed

Uncle Arthur

Richard Kind

Judith Gopnik

Sari Lennick

Mrs. Samski

Amy Landecker

Rabbi Marshak

Alan Mandell

Danny Gopnik

Aaron Wolff

Dybbuk?

Fyvush Finkel

Sarah Gopnik

Jessica McManus

Divorce Lawyer

Adam Arkin

Mr. Brandt

Peter Breitmayer

Mitch Brandt

Brent Braunschweig

Shtetl Husband

Allen Lewis Rickman

Clive Park

David Kang

Shtetl Wife

Yelena Shmulenson

Danny's Reefer Buddy

Benjamin Portnoe

Rabbi Scott

Simon Helberg

Boy on Bus

Jack Swiler

Cursing Boy on Bus

Andrew S. Lentz

Mike Fagle

Jon Kaminski Jr.

Rabbi Nachtner

George Wyner

Arlen Finkle

Ari Hoptman

Dr. Sussman

Michael Tezla

Solomon Schultz

Michael Lerner

Friend at the Picnic

Katherine Borowitz

Clive's Father

Steve Park

Hebrew School Teacher

Ronald Schultz

Hebrew School Principal

Charles Brin

Clive's Father

Stephen Park

Larry's Secretary

Jane Hammill

Dr. Shapiro

Raye Birk

Marshak's Secretary

Claudia Wilkens

Dick Dutton (voice)

Warren Keith

Cop #1

James Cada

Torah Blesser

Michael Engel

Magbiah

Tyson Bidner

Hebrew School Tea Lady

Phyllis Harris

D'vorah

Piper Sigel-Bruse

Sarah's Friend

Hannah Nemer

Law Firm Secretary

Rita Vassallo

Cantor

Neil Newman

Detective #1

Tim Russell

Detective #2

Jim Lichtscheidl

Russell Krauss

Wayne A. Evenson

Sci-Fi Movie Hero

Scott Thompson Baker

Physics Student (uncredited)

Landyn Banx

Physics Nerd (uncredited)

Punnavith Koy

Bar Mitzvah Guest (uncredited)

Joel Thingvall

Physics Student (uncredited)

Amanda Day