Matthew Broderick

as Professor Harold Hill

Kristin Chenoweth

as Marian Paroo

Victor Garber

as Mayor Shinn

Debra Monk

as Mrs. Paroo

Molly Shannon

as Mrs. Eulalie Mackechnie Shinn

David Aaron Baker

as Marcellus Washburn

Cameron Monaghan

as Winthrop Paroo

Boyd Banks

as Train Conductor

Sarah Cleveland

Molly Howe

as Little Lina