
| Title | Character Gender | Age Range | Duration (in minutes) | Type | Show Name |
| I Want You To Get Married | Female | 50 – 65 | 0 – 1 | comedic | Once Upon a Mattress |
| I Will Not Leave Till I Have Seen Him | Female | 30 – 55 | 0 – 1 | dramatic | Man of La Mancha |
| I Will Not Marry Him | Female | 40 – 60 | 1 – 2 | dramatic | A Woman of No Importance |
| I Will Run | Male | 18 – 30 | 0 – 1 | comedic,classical | Merchant of Venice |
| I Would Not By Thy Executioner | Female | 17 – 27 | 0 – 1 | comedic,classical | As You Like It |
| I'm a Bagel | Female | 18 – 30 | 0 – 1 | comedic | Funny Girl |
| I'm Drowning | Male | 30 – 45 | 0 – 1 | comedic | The Producers |
| I, That Have Been Love's Whip | Male | 25 – 40 | 0 – 2 | comedic,classical | Love's Labour's Lost |
| It Wasn't a Dream | Female | 12 – 19 | 0 – 1 | dramatic | The Wizard of Oz (RSC version) |
| Juliet | Female | 16 – 18 | 2 – 3 | dramatic | Not Such Stuff |
| Klan Headquarters | Male | 25 – 55 | 0 – 1 | contemporary | Foreigner |
| Laughing-stock of the Neighborhood | Male | 30 – 40 | 0 – 1 | other | Man of La Mancha |
| Leave Me Alone Mr. Cornell | Female | 18 – 30 | 0 – 2 | comedic,contemporary | The Star-Spangled Girl |
| Leave Me to My Prayers | Male | 40 – 65 | 0 – 1 | dramatic | Pippin |
| Locusts | Male | 17 – 25 | 0 – 2 | dramatic,contemporary | The Dance and the Railroad |
| Look At Me Now | Female | 15 – 23 | 0 – 1 | dramatic,contemporary | Gypsy |
| Love | Male | 35 – 45 | 0 – 1 | dramatic,contemporary | The Real Thing |
| Love | Female | 12 – 18 | 0 – 1 | dramatic,classical | Romeo and Juliet |
| Lunchtime | Male | 17 – 29 | 0 – 2 | comedic | You're a Good Man Charlie Brown |
| Making Friends | Male | 30 – 55 | 0 – 1 | comedic,contemporary | West Side Story |
| Marry | Male | 24 – 33 | 0 – 1 | comedic,classical | Henry V |
| Max Bialystock | Male | 25 – 35 | 0 – 1 | contemporary | The Producers |
| Me or Rocky | Female | 20 – 35 | 0 – 1 | dramatic | The Rocky Horror Show |
| My Hand Is Ready | Female | 24 – 33 | 1 – 2 | dramatic,classical | The Taming of the Shrew |
| My Mistress with a Monster is in Love | Male | 20 – 35 | 0 – 1 | comedic,classical | A Midsummer Night's Dream |
| My Name is Caius Marcius | Male | 30 – 40 | 0 – 2 | dramatic,classical | Coriolanus |
| My Own Storybook Ending | Female | 25 – 35 | 0 – 1 | dramatic | Scarlet Pimpernel |