| Fred Albee | Resident of River City | |
| Eddie Albert | Harold Hill | |
| Ken Ayers | Resident of River City | |
| Margaret Baxger | Townspeople of River City | |
| Margaret Baxter | Resident of River City | |
| Barbara Beck | Resident of River City | |
| Joan Bowman | Zaneeta Shinn | |
| Pixie Bowman | Resident of River City | |
| Joan Coddington | Resident of River City | |
| Nancy Dale | Resident of River City | |
| Dean Dittman | Marcellus Washburn | |
| Bernard Eastoe | Resident of River City | |
| Paul Floyd | Resident of River City | |
| Paul Ford | Mayor Shinn | |
| Arlyne Frank | Marian Paroo | |
| Larry Fuller | Resident of River City | |
| Robert Gorman | Conductor | |
| Constable Locke | ||
| Richard Hermany | Resident of River City | |
| Traveling Salesman | ||
| Patti Lee Hilka | Gracie Shinn | |
| Marion Hunter | Resident of River City | |
| Peter J. Laird | Resident of River City | |
| Jack Leigh | Resident of River City | |
| Lynda Lynch | Zaneeta Shinn | |
| Gubi Mann | Maud Dunlop | |
| Mort Marshall | Mayor Shinn | |
| Jack McCann | Resident of River City | |
| Traveling Salesman | ||
| Hal Norman | Charlie Cowell | |
| Paul O'Keefe | Winthrop Paroo | |
| Nancy Radcliffe | Resident of River City | |
| Helen Raymond | Eulalie Mackecknie Shinn | |
| Nadine Revene | Resident of River City | |
| Adnia Rice | Eulalie Mackecknie Shinn | |
| Glenn Richards | Resident of River City | |
| Michael Roberts | Resident of River City | |
| Norwood Smith during Robert Preston's vacation | Harold Hill | |
| Leora Thatcher | Mrs. Paroo | |
| Ronald Tourso | Resident of River City | |
| Eleonore Treiber | Resident of River City | |
| Frances Underhill | Gracie Shinn | |
| Kip Watson | Resident of River City | |
| Marlys Watters | Marian Paroo | |
| Lynn Wendell | Resident of River City | |
| Barbara Williams | Marian Paroo | (1961 - ?) |
| Carolee Winchester | Resident of River City | |
| Laurie Wright | Amaryllis | |
| Carolee Wynne | Resident of River City |