As bass guitarist for a garage-rock band, Scott Pilgrim has never had trouble getting a girlfriend; usually, the problem is getting rid of them. But when Ramona Flowers skates into his heart, he finds she has the most troublesome baggage of all: an army of ex-boyfriends who will stop at nothing to eliminate him from her list of suitors.
| Scott Pilgrim | Michael Cera |
| Ramona Flowers | Mary Elizabeth Winstead |
| Knives Chau | Ellen Wong |
| Wallace Wells | Kieran Culkin |
| Kim Pine | Alison Pill |
| Stephen Stills | Mark Webber |
| Young Neil | Johnny Simmons |
| Gideon Graves | Jason Schwartzman |
| Stacey Pilgrim | Anna Kendrick |
| Julie Powers | Aubrey Plaza |
| Matthew Patel | Satya Bhabha |
| Lucas Lee | Chris Evans |
| Todd Ingram | Brandon Routh |
| Roxy Richter | Mae Whitman |
| Envy Adams | Brie Larson |
| Kyle Katayanagi | Keita Saito |
| Ken Katayanagi | Shota Saito |
| Party Goer | Will Bowes |
| Party Goer | Celine Lepage |
| Party Goer | Mark Leroy |
| Jimmy | Kjartan Hewitt |
| Other Scott | Ben Lewis |
| Comeau | Nelson Franklin |
| Sandra | Kristina Pesic |
| Promoter | Matt Watts |
| Monique | Ingrid Haas |
| Joel | Maurie W. Kaufmann |
| Party Goer | Marley Otto |
| Demon Hipster Chick | Christine Watson |
| Tamara Chen | Chantelle Chung |
| Director | Don McKellar |
| Goon | Jung-Yul Kim |
| Crash | Erik Knudsen |
| Trasha | Abigail Chu |
| Lynette Guycott | Tennessee Thomas |
| Winifred Hailey | Emily Kassie |
| Some Guy | Michael Lazarovitch |
| Lollipop Hipster | John Patrick Amedori |
| Elevator Hipster | Joe Dinicol |
| Elevator Hipster | Craig Stickland |
| The Voice (voice) | Bill Hader |
| Vegan Police (uncredited) | Thomas Jane |
| Vegan Police (uncredited) | Clifton Collins Jr. |
| Lee's Palace Bar Patron (uncredited) | Bryan Lee O'Malley |
Scott Pilgrim vs. the World on Wikipedia
Scott Pilgrim vs. the World on IMDb
