
| Name | Show | Role Size | Age | Gender | Voice |
| 4th Baron | Becket | cameo | 30 - 55 | male | spoken |
| 4th Boy | A Pocketful of Rhymes | lead | 7 - 15 | male | |
| A 'Mystery' | Fings Ain't Wot They Used T'be | N/A | - | male | |
| A Bird | The Birds | - | N/A | ||
| A Boatman/Charles Redmond/other characters | Sunday in the Park with George | cameo | 40 - 65 | male | baritone |
| A boeotian | The Acharnians | 0 - 0 | male | spoken | |
| A Booking Agent | America's Sweetheart | cameo | 30 - 50 | male | |
| A Boy | The Unsinkable Molly Brown | cameo | - | male | |
| A Boy | Much Ado About Nothing | cameo | 8 - 15 | male | spoken |
| A Broker | How Now, Dow Jones | cameo | - | male | |
| A Captain in the Navy | Manon Lescaut | cameo | 40 - 70 | male | bass |
| A Cardinal | ‘Tis Pity She’s a Whore | supporting | 40 - 60 | male | spoken |
| A cat | Brundibár | cameo | - | N/A | |
| A Cavalier | Count Ory (Le comte Ory ) | cameo | 21 - 35 | male | tenor |
| A Christian Magician | Rinaldo | cameo | 30 - 60 | male | bass |
| A Clerk | Brand | cameo | 30 - 50 | male | spoken |
| A Clown | Fanny | N/A | - | male | |
| A Consul | La Vestale (The Vestal Virgin) | supporting | 30 - 60 | male | bass |
| A Corporal | The Captain's Daughter | cameo | 30 - 50 | male | bass |
| A Cricket | Buddy - The Buddy Holly Story | N/A | - | male |