 Don CheadleNarrator (voice) | Narrator (voice) |
 Ralph Waldo "Petey" Greene, Jr.self - television and radio talk-show host (archival footage) | self - television and radio talk-show host (archival footage) |
 Robert Hooksself - actor and producer | self - actor and producer |
 Chuck Brownself - musician and former cell mate of Petey Greene | self - musician and former cell mate of Petey Greene |
| MMarion Barryself - former mayor of Washington, DC | self - former mayor of Washington, DC |
 Howard Sternself | self |
| RRalph Greene Sr.self - Petey Greene's father (archival photo) | self - Petey Greene's father (archival photo) |
| MMaggie Floydself - Petey Greene's mother (archival footage) | self - Petey Greene's mother (archival footage) |
| DDewey Hughesself - former radio station owner and Petey Greene's manager | self - former radio station owner and Petey Greene's manager |
| RRoach Brownself - playwright, fellow inmate at Lorton Penitentiary | self - playwright, fellow inmate at Lorton Penitentiary |
| FFrank Smith, Jr.self - civil rights activist and politician in Washington, D.C. | self - civil rights activist and politician in Washington, D.C. |
| CClarence Greeneself - Petey Greene's brother | self - Petey Greene's brother |
| EErnie Barnesself - Artiste | self - Artiste |
| VVirginia Aliself - Owner, Ben's Chili Bowl | self - Owner, Ben's Chili Bowl |
| DDr. Charlene Drew Jarvisself - President, Southeastern University | self - President, Southeastern University |
| SSandra Butlerself - retired tv executive | self - retired tv executive |
 Martin Luther King Jr.self - archival footage | self - archival footage |
 Sugar Ray Leonardself - boxing legend | self - boxing legend |
 James Brownself - sportscaster | self - sportscaster |
| AAlfred Liggins, IIIself - CEO, Radio One; Chairman, TV One | self - CEO, Radio One; Chairman, TV One |
| PPetra Greeneself - daughter of Petey Greene (archival footage) | self - daughter of Petey Greene (archival footage) |
| RRalph Waldo Greene, IIIself - Petey Greene's son (archive footage) | self - Petey Greene's son (archive footage) |
| SSister Claudette Muhammadself - Chief of Protocol, Nation of Islam | self - Chief of Protocol, Nation of Islam |
| MMadeline Pettyself - Deputy Director, DC Dept of Housing | self - Deputy Director, DC Dept of Housing |
 Donna Brazileself - Mobilization Chairman, March on Washington | self - Mobilization Chairman, March on Washington |
| DDana Jonesself - CEO, United Planning Organization | self - CEO, United Planning Organization |
 Midge Costanzaself - Special Assistant to President Carter | self - Special Assistant to President Carter |