Michael Cera Scott Pilgrim (voice) Mary Elizabeth Winstead Ramona Flowers (voice) Ellen Wong Knives Chau (voice) Kieran Culkin Wallace Wells (voice) Alison Pill Kim Pine (voice) Mark Webber Stephen Stills (voice) Johnny Simmons Young Neil (voice) Brie Larson Envy Adams (voice) Anna Kendrick Stacey Pilgrim (voice) Aubrey Plaza Julie Powers (voice) Satya Bhabha Matthew Patel (voice) Chris Evans Lucas Lee (voice) Brandon Routh Todd Ingram (voice) Mae Whitman Roxie Richter (voice) Jason Schwartzman Gideon Graves (voice)