Michael Cera

Character: Scott Pilgrim

Mary Elizabeth Winstead

Character: Ramona Flowers

Ellen Wong

Character: Knives Chau

Kieran Culkin

Character: Wallace Wells

Alison Pill

Character: Kim Pine

Mark Webber

Character: Stephen Stills

Johnny Simmons

Character: Young Neil

Jason Schwartzman

Character: Gideon Graves

Anna Kendrick

Character: Stacey Pilgrim

Aubrey Plaza

Character: Julie Powers

Satya Bhabha

Character: Matthew Patel

Chris Evans

Character: Lucas Lee

Brandon Routh

Character: Todd Ingram

Mae Whitman

Character: Roxy Richter

Brie Larson

Character: Envy Adams

Keita Saito

Character: Kyle Katayanagi

Shota Saito

Character: Ken Katayanagi

Will Bowes

Character: Party Goer

Celine Lepage

Character: Party Goer

Mark Leroy

Character: Party Goer

Kjartan Hewitt

Character: Jimmy

Ben Lewis

Character: Other Scott

Nelson Franklin

Character: Comeau

Kristina Pesic

Character: Sandra

Matt Watts

Character: Promoter

Ingrid Haas

Character: Monique

Maurie W. Kaufmann

Character: Joel

Marley Otto

Character: Party Goer

Christine Watson

Character: Demon Hipster Chick

Chantelle Chung

Character: Tamara Chen

Don McKellar

Character: Director

Jung-Yul Kim

Character: Goon

Erik Knudsen

Character: Crash

Abigail Chu

Character: Trasha

Tennessee Thomas

Character: Lynette Guycott

Emily Kassie

Character: Winifred Hailey

Michael Lazarovitch

Character: Some Guy

John Patrick Amedori

Character: Lollipop Hipster

Joe Dinicol

Character: Elevator Hipster

Craig Stickland

Character: Elevator Hipster

Bill Hader

Character: The Voice (voice)

Thomas Jane

Character: Vegan Police (uncredited)

Clifton Collins Jr.

Character: Vegan Police (uncredited)

Bryan Lee O'Malley

Character: Lee's Palace Bar Patron (uncredited)