(In order of appearance)
Travelling Salesman
Charlie Cowell - a rival salesman
Conductor
Harold Hill - dynamic, charismatic con man - (Auditions have ended)
Mayor Shinn - a blustery politician
Ewart Dunlop - judgemental school board member, barbershop quartet
Oliver Hix - judgemental school board member, barbershop quartet
Jacey Squires - judgemental school board member, barbershop quartet
Olin Britt - judgemental school board member, barbershop quartet
Marcellus Washburn - Harold's chummy friend
Tommy Djilas - the town "bad" boy
Marian Paroo - Stuffy town librarian and music teacher (PRECAST)Performed by Susan Zelinsky
Mrs. Paroo - Marian's Irish mom
Amaryllis - Marian's young piano student
Winthrop Paroo - Marian's lisping baby brother
Eulalie Mackecknie Shinn - Mayor Shinn's peacock wife
Zanetta Shinn - the mayor's daffy daughter
Alma Hix - gossipy wife of quartet member
Maud Dunlop - gossipy wife of quartet member
Ether Toffelmeir - the pianola girl
Mrs. Squires - gossipy wife of quartet member
Constable Locke
River City Townspeople
River City Young Adults
River City Kids