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

Sharron Matthews

Pick-a-Little Lady #6

Clyde Alves

Tommy Djilas

Cameron Adams

Zaneeta Shinn

Linda Kash

Alma Hix

Patrick McKenna

Charlie Cowell

Richard Fitzpatrick

Constable Locke

Jenni Burke

Mrs. Squires

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

Cliff Saunders

Salesman #5

Greg Ellwand

Card Player #2

Sheri Godfrey

Sadder but Wiser Girl

Paul Becker

Teen Boy #3

Johnie Chase

Arlene Duncan

Town Woman #1

Naomi Emmerson

Catherine Fitch

Jordan Francis

Benjamin Hollingsworth

Honeymooner

Ron Kennell

Bar Patron

Duff MacDonald

Town Barber

Tabitha Lupien

Larry Mannell

Mule Man

Gerry Quigley

Card Player

Vincent Tong

Clyde Whitham

Ashley Leggat

Dancer (uncredited)