| Type: | cameo |
| Age Range: | 18 – 28 |
| Gender: | male |
| Voice Part: | baritone |
| Vocal Range: | E 3 – D 4 |
| Dancing: | N/A |
| Name | Gender | Vocal Part | Age Range | Role Type |
| Abner | male | cameo | ||
| Bloody Mary | female | mezzo | 35 – 55 | supporting |
| Bloody Mary's Assistant | female | cameo | ||
| Captain Bracket | male | 35 – 55 | cameo | |
| Cmdr. William Harbison | male | 25 – 40 | cameo | |
| Emile de Becque | male | baritone | 40 – 55 | lead |
| Ensign Bessie Noonan | female | 18 – 26 | cameo | |
| Ensign Connie Walewska | female | 18 – 26 | cameo | |
| Ensign Cora MacRae | female | 18 – 26 | cameo | |
| Ensign Dinah Murphy | female | mezzo | 18 – 27 | cameo |
| Ensign Janet MacGregor | female | 18 – 26 | cameo | |
| Ensign Lisa Minelli | female | 18 – 26 | cameo | |
| Ensign Pamela Whitmore | female | 18 – 26 | cameo | |
| Ensign Sue Yaeger | female | 18 – 26 | cameo | |
| Henry | male | 25 – 40 | cameo | |
| Janet | male | mezzo | 18 – 27 | cameo |
| Jerome | male | mezzo | 5 – 11 | cameo |
| Liat | female | spoken | 15 – 22 | supporting |
| Lieutenant Joe Cable | male | tenor | 22 – 33 | supporting |
| Lt. Buzz Adams | male | baritone | 18 – 28 | cameo |
| Lt. Genevieve Marshall | female | 21 – 32 | cameo | |
| Luther Billis | male | baritone | 21 – 28 | supporting |
| Marcel | male | 18 – 30 | cameo | |
| Marine Cpl. Hamilton Steeves | male | baritone | 23 – 34 | cameo |
| Nellie Forbush | female | mezzo | 18 – 27 | lead |
| Ngana | female | mezzo | 7 – 14 | cameo |
| Professor | male | 25 – 40 | cameo | |
| Seabee Morton Wise | male | baritone | 18 – 28 | cameo |
| Seabee Richard West | male | baritone | 18 – 28 | cameo |
| Seaman James Hayes | male | 18 – 26 | cameo | |
| Seaman Tom O'Brien | male | 18 – 28 | cameo | |
| Sgt. Kenneth Johnson | male | baritone | 18 – 28 | cameo |
| Staff Sgt. Thomas Hassinger | male | 24 – 34 | cameo | |
| Stewpot | male | baritone | 18 – 30 | cameo |
| Yeoman Herbert Quale | male | baritone | 18 – 28 | cameo |