 | Sigourney Weaver als Dian Fossey |
 | Bryan Brown als Bob Campbell |
 | Julie Harris als Roz Carr |
 | John Omirah Miluwi als Sembagare |
 | Iain Cuthbertson als Dr. Louis Leakey |
 | Constantin Alexandrov als Claude Van Veeten |
 | Waigwa Wachira als Mukara |
 | Iain Glen als Brendan |
 | David Lansbury als Larry |
 | Maggie O'Neill als Kim |
| Konga Mbandu als Rushemba |
 | Michael J. Reynolds als Howard Dowd |
| Gordon Masten als Photographer |
| Anna Hamilton Phelan | Screenplay |
| Michael Apted | Director |
| Jon Peters | Executive Producer |
| Arne Glimcher | Producer |
| Terence A. Clegg | Producer |
| Stuart Baird | Editor |
| John Seale | Director of Photography |
| Maurice Jarre | Original Music Composer |
| Peter Guber | Executive Producer |
| John Graysmark | Production Design |
| Murray Close | Still Photographer |
| Mary Holdsworth | Script Supervisor |
| Catherine Leterrier | Costume Design |
| Simon Wakefield | Set Decoration |
| Ken Court | Art Direction |
| Peter Handford | Sound Mixer |
| Rick Baker | Makeup Artist |
| Anna Hamilton Phelan | Story |
| Tab Murphy | Story |
