The film "Lean on Me" featured a diverse cast, each bringing their unique flair to the characters they portrayed. The following table summarizes some of the key cast members who played pivotal roles in the film:
| Name | Character | Notable Works | Date of Birth | Date of Death |
|---|---|---|---|---|
| Morgan Freeman | Joe Clark | The Shawshank Redemption, Million Dollar Baby | June 1, 1937 | Alive |
| Robert Guillaume | Mr. Clark's Mentor | Benson, The Lion King | November 30, 1927 | October 24, 2017 |
| Alfre Woodard | Mrs. Barrett | 12 Years a Slave, Luke Cage | November 8, 1952 | Alive |
| Michael Beach | Mr. Clark's Assistant | Soul Food, The 100 | October 30, 1963 | Alive |
| Rae’Ven Larrymore Kelly | Student | Awaiting Forever, The Secret Life of the American Teenager | November 27, 1976 | Alive |
| Jesse Borrego | Student | Fame, Blood In Blood Out | August 1, 1966 | Alive |
