| Type: | cameo |
| Age Range: | 18 – 27 |
| Gender: | male |
| Voice Part: | baritone |
| Vocal Range: | none |
| Dancing: | N/A |
| Name | Gender | Vocal Part | Age Range | Role Type |
| Baseball players and batboys | male | 6 – 27 | chorus | |
| Doris | female | spoken | 40 – 60 | supporting |
| Gloria Thorpe | female | mezzo | 21 – 30 | supporting |
| Henry | male | baritone | 18 – 27 | cameo |
| Joe Boyd | male | tenor | 40 – 60 | supporting |
| Joe Hardy | male | baritone | 18 – 27 | lead |
| Linville | male | baritone | 18 – 27 | cameo |
| Lola | female | alto | 20 – 35 | supporting |
| Meg Boyd | female | alto | 40 – 60 | supporting |
| Mickey | male | baritone | 18 – 27 | cameo |
| Mr. Applegate | male | baritone | 30 – 55 | lead |
| Sister | female | alto | 40 – 60 | supporting |
| Smokey | male | tenor | 18 – 27 | supporting |
| Sohovik | male | baritone | 18 – 27 | cameo |
| The Commissioner | male | spoken | 35 – 75 | cameo |
| Van Buren | male | baritone | 35 – 65 | supporting |
| Welsh | male | spoken | 40 – 75 | cameo |