| Person | Type | Job | Role(s) |
|---|---|---|---|
 Coleridge-Taylor Perkinson | Crew | Sound | Original Music Composer |
David Tomblin | Crew | Directing | First Assistant Director |
Elliot Scott | Crew | Art | Art Direction |
Lawrence Roman | Crew | Writing | Writer |
Melville Tucker | Crew | Production | Producer |
Miriam Brickman | Crew | Production | Casting |
Paul Beeson | Crew | Camera | Director of Photography |
Pembroke J. Herring | Crew | Editing | Editor |
Peter Pitt | Crew | Editing | Editor |
 Sidney Poitier | Crew | Directing | Director |
 Tony Brubaker | Crew | Crew | Stunt Double |
W.T. Partleton | Crew | Costume & Make-Up | Makeup Artist |
Doreen Soan | Crew | Directing | Continuity |
Harold Melvin | Crew | Costume & Make-Up | Hairstylist |
 Earl Cameron | Cast | Actor | Ambassador George Oswandu |
 Ester Anderson | Cast | Actress | Catherine Oswandu |
 George Baker | Cast | Actor | Dr. Henry Barlow |
Hilary Crane | Cast | Actress | Marsha Barlow |
James Payne | Cast | Taxi Driver at Theatre (uncredited) | |
 Johnny Sekka | Cast | Actor | Dr. Joseph Myomo |
 Lon Satton | Cast | Actor | Man (uncredited) |
 Milos Kirek | Cast | Actor | General Kuznovski (uncredited) |
 Rudolph Walker | Cast | Actor | Man (uncredited) |
Sidney Poitier | Cast | Actor | Dr. Matt Younger |
Yvette Curtis | Cast | Stefanie Younger | |
 Guy Standeven | Cast | Actor | Party Guest (uncredited) |
Letta Mbulu | Cast | Club Singer (uncredited) | |
 T.P. McKenna | Cast | Actor | Man (uncredited) |
John Beardmore | Cast | Burberry Detective (uncredited) | |
| Person | Type | Job | Role(s) |
