| Term | Definition |
| Walter Lee Younger | A young man who has big dreams |
| Ruth | Walter's wife |
| Beneatha | Walter's sister who dreams of becoming a doctor |
| Mama | Beneatha and Walter's mother |
| Travis | Walter's son |
| GEORGE MURCHISON | Beneatha's 'boyfriend' a rich African American boy who is self-centered and Beneatha only dates him because he is wealthy and takes her on nice dates |
| Asagai | A native Nigerian boy who moved to Chicago not too long ago |
| Miss Johnson | The Youngers' pessamistic neighbor who always makes rude and annoying comments that are offensive to her neighbors |
| Mr. Linder | A man representing the Clybourne Park Improvement Association |
| Clybourne Park | The residential area where Mama buys a house for her family with her deceased husband's insurance money |
| Willy Harris | Walter's business partner in investing in a liquor store; eventually steals all of Walter's money and runs off |
| Bobo | Walter and Willy's other partner who is also played by Willy Harris' sly move |
| Walter Sr. | Mama's husband who died and the Younger family receives $10,000 insurane money for his death |
| Mr. Arnold | Walter's boss who he is a chauffer for |