 Sidney PoitierClyde Williams | Clyde Williams |
 Bill CosbyBilly Foster | Billy Foster |
 Calvin LockhartBiggie Smalls | Biggie Smalls |
 John AmosKansas City Mack | Kansas City Mack |
 Jimmie WalkerBootney Farnsworth | Bootney Farnsworth |
 Ossie DavisElder Johnson | Elder Johnson |
 Denise NicholasBeth Foster | Beth Foster |
 Lee ChamberlinDee Dee Williams | Dee Dee Williams |
 Mel StewartEllison | Ellison |
 Julius HarrisBubbletop Woodson | Bubbletop Woodson |
 Paul HarrisJody Tipps | Jody Tipps |
 Val AveryLt. Bottomley | Lt. Bottomley |
 George ForemanFactory Worker | Factory Worker |
 Med FloryRufus | Rufus |
 Erica HagenGirl in Hotel | Girl in Hotel |
 Jayne KennedyGirl at Factory | Girl at Factory |
| RRodolphus Lee Hayden40th St. Black | 40th St. Black |
| MMorgan RobertsFish an' Chips Freddie | Fish an' Chips Freddie |
| TTalya FerroBiggie's Crony #1 | Biggie's Crony #1 |
| DDoug JohnsonBiggie's Crony #2 | Biggie's Crony #2 |
 Richard YoungBiggie's Crony #3 | Biggie's Crony #3 |
| CCedric ScottBiggie's Crony #4 | Biggie's Crony #4 |
 Billy EckstineZack | Zack |
| JJimmy Lennon Sr.Fight Announcer | Fight Announcer |
| HHilda HaynesTelephone Operator | Telephone Operator |
 Jophery C. BrownBootney Farnsworth's Trainer (uncredited) | Bootney Farnsworth's Trainer (uncredited) |
| RRozelle GayleExhibition Boxing Match Announcer (uncredited) | Exhibition Boxing Match Announcer (uncredited) |
| BBirdie M. HaleSwitchboard Operator (uncredited) | Switchboard Operator (uncredited) |
 Bob HarksGuard (uncredited) | Guard (uncredited) |
 Rosanne Katon(uncredited) | (uncredited) |
