 Emily BrowningViolet Baudelaire | Violet Baudelaire |
 Liam AikenKlaus Baudelaire | Klaus Baudelaire |
 Kara HoffmanSunny Baudelaire | Sunny Baudelaire |
 Shelby HoffmanSunny Baudelaire | Sunny Baudelaire |
 Jim CarreyCount Olaf / Dr. Stephano / Captain Sham | Count Olaf / Dr. Stephano / Captain Sham |
 Timothy SpallMr. Poe | Mr. Poe |
 Meryl StreepJosephine Anwhistle | Josephine Anwhistle |
 Billy ConnollyDr. Montgomery Montgomery | Dr. Montgomery Montgomery |
 Jude LawLemony Snicket | Lemony Snicket |
 Catherine O'HaraJustice Strauss | Justice Strauss |
 Jennifer CoolidgeWhite-Faced Women | White-Faced Women |
 Jane AdamsWhite-Faced Women | White-Faced Women |
 Craig FergusonPerson of Indeterminate Gender | Person of Indeterminate Gender |
 Luis GuzmánBald Man | Bald Man |
 Jamie HarrisHook-Handed Man | Hook-Handed Man |
 Cedric the EntertainerConstable | Constable |
 Bob ClendeninGrocery Clerk | Grocery Clerk |
 Lenny ClarkeGruff Grocer | Gruff Grocer |
| FFred GalloLe juge | Le juge |
| JJohn DexterGustav | Gustav |
 Deborah TheakerMrs. Poe | Mrs. Poe |
| WWayne FlemmingCaptain Sam | Captain Sam |
 Jaimarie BjorgeDream Gypsy (uncredited) | Dream Gypsy (uncredited) |
 Helena Bonham CarterBeatrice Baudelaire (uncredited) | Beatrice Baudelaire (uncredited) |
 Amy BrennemanMrs. Baudelaire (uncredited) | Mrs. Baudelaire (uncredited) |
 Julius CallahanDavidious Augustine / Bohemian (uncredited) | Davidious Augustine / Bohemian (uncredited) |
 François DuhamelFrench Radio Reporter (voice) (uncredited) | French Radio Reporter (voice) (uncredited) |
 Gilbert GottfriedDuck (voice) (uncredited) | Duck (voice) (uncredited) |
 Rick HeinrichsMr. Baudelaire (uncredited) | Mr. Baudelaire (uncredited) |
 Alan HeitzPolice Photographer (uncredited) | Police Photographer (uncredited) |
