 | Sidney Poitier als Gordon Ralfe |
 | Shelley Winters als Rose-Ann D'Arcey |
 | Elizabeth Hartman als Selina D'Arcey |
 | Wallace Ford als Ole Pa |
 | Ivan Dixon als Mark Ralfe |
 | Elisabeth Fraser als Sadie |
 | John Qualen als Mr. Faber |
 | Kelly Flynn als Yanek Faber |
| Debi Storm als Selina, Age 5 |
| Renata Vanni als Mrs. Favaloro |
| Saverio LoMedico als Mr. Favaloro |
| Fred Holliday als Man (uncredited) |
 | Dorothy Lovett als Woman (uncredited) |
 | Gregg Martell als Man (uncredited) |
 | Robert B. Williams als Neighbor (uncredited) |
| William Burnside |
| Vincent Chase |
| Tom Curtis |
| Jack Gordon |
| Maria Haro |
| Jimmie Horan |
| Johnny Kern |
| Clarence M. Landry |
| Jim Michael |
| Emma Palmese |
| David Richards |
 | Jeffrey Sayre |
| Bill Scully |
| Theresa Testa |
| Guy Green | Director |
| Elizabeth Kata | Novel |
| George W. Davis | Art Direction |
| Hank Moonjean | Assistant Director |
| Pandro S. Berman | Producer |
| Guy Green | Producer |
| Robert R. Hoag | Visual Effects |
| Loren Janes | Stunts |
| Henry Grace | Set Decoration |
| William Tuttle | Makeup Artist |
| Kathryn Hereford | Associate Producer |
| Rita Roland | Editor |
| Franklin Milton | Recording Supervision |
| Jerry Goldsmith | Original Music Composer |
| Robert Burks | Director of Photography |
| Charles S. Thompson | Set Decoration |
| Larry Hadsell | Boom Operator |
| Urie McCleary | Art Direction |
| Lloyd Isbell | Grip |
| Leonard J. South | Camera Operator |
| Lindsley Parsons Jr. | Production Manager |
| Larry Jost | Sound Mixer |
| Bill Finnegan | Assistant Director |
| Bobby Greene | First Assistant Camera |
| Kenny Bell | Still Photographer |
| Guy Green | Screenplay |
| John Truwe | Makeup Artist |
