Ewan McGregor
as Ed Bloom (young)

Albert Finney
as Ed Bloom (senior)

Billy Crudup
as Will Bloom

Jessica Lange
as Sandra Bloom (senior)

Helena Bonham Carter
as Jenny (young & senior) / The Witch

Alison Lohman
as Sandra Bloom (young)

Robert Guillaume
as Dr. Bennett (senior)

Marion Cotillard
as Josephine

Matthew McGrory
as Karl the Giant

David Denman
as Don Price (age 18-22)

Missi Pyle
as Mildred

Loudon Wainwright III
as Beamen

Ada Tai
as Ping

Arlene Tai
as Jing

Steve Buscemi
as Norther Winslow

Danny DeVito
as Amos Calloway

Deep Roy
as Mr. Soggybottom

Perry Walston
as Ed Bloom (age 10)

Hailey Anne Nelson
as Jenny (age 8)

Grayson Stone
as Will Bloom (age 6-8)

R. Keith Harris
as Ed's Father

Karla Droege
as Ed's Mother

Zac Gardner
as Zacky Price (age 10)

John Lowell
as Don Price (age 12)

Darrell Vanterpool
as Wilbur (age 10)

Miley Cyrus
as Ruthie (age 8)

Joseph Humphrey
as Little Brave

Morgan Grace Jarrett
as Will's Date

Sallie Hedrick
as Pretty Girl

Charles McLawhorn
as Mayor

Frank Hoyt Taylor
as Sharecropper

Savanna James
as Little Girl

Billy Redden
as Banjo Man

James DeForest Parker
as Shotgun Toter

Russell Hodgkinson
as Some Farmer

Don Young
as Shephard

Jayne Morgan
as Townsperson

David Ramsey
as Townsperson

Greg Hohn
as Townsperson

Zach Hanner
as Cashier

George McArthur
as Colossus

Jeff Campbell
as Jump Leader

Lawrence Sykkmon
as Chinese Emcee

Bonnie Johnson
as Teller Woman

Howard Houston Jr.
as Piano Student

Joanne Pankow
as Heavy Set Nurse

Trevor Gagnon
as Will's son

Jacob Radford
as Kid

Karlos Walkes
as Dr. Bennett (young)

Cathy Berry
as Lobster Woman

John Fugate
as Side Show Barker

Daniel Wallace
as Econ Professor

Metz Duites
as Ventriloquist

Vincent J. Ybiernas
as Asian Officer

Barry C. Harvard
as Chicken Plant Operator

Edward Aldag
as Municipal Dump Owner

Michael Garnet Stewart
as Auctioneer

C. Alan Rawlins Sr.
as Pretty Man

Jake Brake
as Old Zacky

Bevin Kaye
as River Woman

L.C. Holt
as Spectre Citizen (uncredited)

Will Thomas
as Spectre Citizen (uncredited)