Emily Browning as Violet Baudelaire

Liam Aiken as Klaus Baudelaire

Kara Hoffman as Sunny Baudelaire

Shelby Hoffman as Sunny Baudelaire

Jim Carrey as Count Olaf / Dr. Stephano / Captain Sham

Meryl Streep as Josephine Anwhistle

Jude Law as Lemony Snicket (voice)

Timothy Spall as Mr. Poe

Billy Connolly as Dr. Montgomery Montgomery

Luis Guzmán as Bald Man

Jennifer Coolidge as White-Faced Women

Jane Adams as White-Faced Women

Craig Ferguson as Person of Indeterminate Gender

Jamie Harris as Hook-Handed Man

Catherine O'Hara as Justice Strauss

Cedric the Entertainer as Constable

Bob Clendenin as Grocery Clerk

Lenny Clarke as Gruff Grocer

Fred Gallo as Le juge

John Dexter as Gustav

Deborah Theaker as Mrs. Poe

Wayne Flemming as Captain Sam

Jaimarie Bjorge as Dream Gypsy (uncredited)

Helena Bonham Carter as Beatrice Baudelaire (uncredited)

Amy Brenneman as Mrs. Baudelaire (uncredited)

Julius Callahan as Davidious Augustine / Bohemian (uncredited)

François Duhamel as French Radio Reporter (voice) (uncredited)

Gilbert Gottfried as Duck (voice) (uncredited)

Rick Heinrichs as Mr. Baudelaire (uncredited)

Alan Heitz as Police Photographer (uncredited)

Rob Hinderstein as Banker (uncredited)

Dustin Hoffman as The Critic (uncredited)

Michael Earl Lane as Ferry Boat Captain (uncredited)

Jane Lynch as Realtor (uncredited)

Nick Meaney as Voice over (uncredited)

Christopher Metas as Wedding Audience (uncredited)

Crystal Rivers as Bohemian #1 (uncredited)

Lidia Sabljic as Woman in Audience (uncredited)