Harold Hill
Marian Paroo
Marcellus Washburn
Eulalie Mackechnie Shinn
Mayor George Shinn
Mrs. Paroo
School Board
Jacey Squires (as The Buffalo Bills)
Winthrop Paroo (as Ronny Howard)
Ewart Dunlop (as The Buffalo Bills)
Olin Britt (as The Buffalo Bills)
Oliver Hix (as The Buffalo Bills)
Tommy Djilas
Zaneeta Shinn
Charlie Cowell
Constable Locke
Mrs. Squires
Maud Dunlop
Alma Hix
Ethel Toffelmier
Avis Grubb
Amaryllis
Townsman (uncredited)
Brighton Townsman (uncredited)
Duncan Shyball (uncredited)
Police Officer (uncredited)
Jessie Shyball (uncredited)
Townswoman (uncredited)
Amy Dakin (uncredited)
Truthful Smith (uncredited)
Dancer (uncredited)
Norbert Smith (uncredited)
Gilbert Hawthorne (uncredited)
Lester Lonnergan (uncredited)
Student (uncredited)
Train Conductor (uncredited)
Gracie Shinn (uncredited)
Train Passenger (uncredited)
Oscar Jackson (uncredited)
Harley MacCauley (uncredited)
Salesman on the Train (uncredited)
Harry Joseph (uncredited)
Stella Jackson (uncredited)
Dolly Higgins (uncredited)
Band Member (uncredited)
Lila O'Brink (uncredited)
Farmer's Wife (uncredited)
Herbert Malthouse (uncredited)
Farmer (uncredited)
Feril Hawkes (uncredited)
Salesman (uncredited)
Dewey Malthouse (uncredited)
Young Drummer Boy (uncredited)
Chet Glanville (uncredited)
High School Girl (uncredited)
Undertaker (uncredited)
Ada Nutting (uncredited)