Elliot Page

Juno MacGuff

Michael Cera

Paulie Bleeker

Jennifer Garner

Vanessa Loring

Jason Bateman

Mark Loring

J.K. Simmons

Mac MacGuff

Allison Janney

Bren MacGuff

Olivia Thirlby

Leah

Eileen Pedde

Gerta Rauss

Rainn Wilson

Rollo

Daniel Clark

Steve Rendazo

Darla Fay

Bleeker's Mom

Aman Johal

Vijay

Valerie Tian

Su-Chin

Emily Perkins

Punk Receptionist

Kaaren de Zilva

Ultrasound Technician

Steven Christopher Parker

Guy Lab Partner

Candice King

Amanda, Girl Lab Partner

Sierra Pitkin

Liberty Bell

Cut Chemist

Chemistry Teacher

Eve Harlow

Tough Girl