Ellen Page character Juno MacGuff
Michael Cera character Paulie Bleeker
Jennifer Garner character Vanessa Loring
Jason Bateman character Mark Loring
Allison Janney character Bren MacGuff
J.K. Simmons character Mac MacGuff
Olivia Thirlby character Leah
Eileen Pedde character Gerta Rauss
Rainn Wilson character Rollo
Daniel Clark character Steve Rendazo
Darla Fay character Bleeker's Mom
Aman Johal character Vijay
Valerie Tian character Su-Chin
Emily Perkins character Punk Receptionist
Kaaren de Zilva character Ultrasound Technician
Steven Christopher Parker character Guy Lab Partner
Candice King character Girl Lab Partner
Sierra Pitkin character Liberty Bell
Cut Chemist character Chemistry Teacher
Eve Harlow character Tough Girl
Kirsten Alter character Nurse
Emily Tennant character Pretty-to-Goth Girl
Ashley Whillans character Katrina De Voort
Jeff Witzke character Track Announcer
Colin McSween character Keith
Peggy Logan character Sex Ed Teacher
Cameron Bright character RPG Nerd
Joy Galmut character Delivery Room Doctor
Wendy Russell character Vanessa's Friend #1
Robyn Ross character Vanessa's Friend #2
