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