Matthew Broderick

Professor Harold Hill

Kristin Chenoweth

Marian Paroo

Victor Garber

Mayor Shinn

Debra Monk

Mrs. Paroo

Molly Shannon

Mrs. Eulalie Mackechnie Shinn

David Aaron Baker

Marcellus Washburn

Cameron Monaghan

Winthrop Paroo

Boyd Banks

Train Conductor

Sarah Cleveland

Molly Howe

Little Lina

Sharron Matthews

Pick-a-Little Lady #6

Clyde Alves

Tommy Djilas

Cameron Adams

Zaneeta Shinn

Linda Kash

Alma Hix

Patrick McKenna

Charlie Cowell

Megan Moniz

Amaryllis

Richard Fitzpatrick

Constable Locke

Jenni Burke

Mrs. Squires

Marty Beecroft

Ewart Dunlop

Peter Luciano

Jacey Squires

Joe Heslip

Olin Britt

Harrison L. Wayne

Town Boy #1

Pearce Coulson

Oliver Hix

Janine Theriault

Ethel Toffelmeier

Tannis Burnett

Maud

Janet van de Graaf

Pick-a-Little Lady #5

Derwin Jordan

Salesman #1

Timm Zemanek

Salesman #2

Juan Chioran

Salesman #3

Jeff Pustil

Salesman #4

Cliff Saunders

Salesman #5

Greg Ellwand

Card Player #2

Sheri Godfrey

Sadder but Wiser Girl

Mia DiLena

Gracie Shinn

Lucas Beaver

Teen Boy #12

Paul Becker

Teen Boy #3

Danielle Benton

Teen Girl #4

Shawn Byfield

Dancer / School Band

Raquel Cadilha

Town Girl #1

Rod Campbell

Shopkeeper

Marc Cardarelli

Johnie Chase

Grant Cowan

Austin Di Iulio

Ensemble

Reginald Doresa

Arlene Duncan

Town Woman #1

Michael Dunston

Naomi Emmerson

Alex Fallis

Greg Farkas

Teen Boy #8

Catherine Fitch

Jordan Francis

Graeme Goodhall

Shaunna Hamat

Tween Girl #2

Benjamin Hollingsworth

Honeymooner

Karen Jewels

Principal

Ron Kennell

Bar Patron

Philip Douglas Kerr

Mr. Tompkins

Duff MacDonald

Town Barber

Serge Kushnier

Tabitha Lupien

Larry Mannell

Mule Man

Krista Leis

Katie McCrory

Gerry Quigley

Card Player

Avery Saltzman

Ted Simonett

Shane Simpson

Vincent Tong

Clyde Whitham

Jesse Weafer

Ashley Leggat

Dancer (uncredited)