Dianna Agron

Abigail

Simon Helberg

Nathan

Candice Bergen

Barbara

Dustin Hoffman

Eugene

Justin Chu Cary

Jay

Charlie Weber

Peter

Julian Gant

Darrin

Gina Jun

Grad Student

Sweta Keswani

Dr. Patel

Mellanie Hubert

Diana

Anastasia Veronica Lee

Young Abigail

Oliver Patnode

Young Nathan

Harrison Fox

Finn

John Wollman

Dr. Ashkenazy

Jo Yang

Marge

Mayim Bialik