Directed by
| Sidney Poitier | ||
Writing Credits
| Lawrence Roman | ... | (written by) |
Cast (in credits order) verified as complete
| Sidney Poitier | ... | Dr. Matt Younger | |
 |
Ester Anderson | ... | Catherine Oswandu (as Esther Anderson) |
| Yvette Curtis | ... | Stefanie Younger | |
| George Baker | ... | Dr. Henry Barlow | |
| Johnny Sekka | ... | Dr. Joseph Myomo | |
| Earl Cameron | ... | Ambassador George Oswandu | |
| Hilary Crane | ... | Marsha Barlow | |
| Rest of cast listed alphabetically: | |||
|
|
John Beardmore | ... | Detective in Burberry (uncredited) |
|
|
Milos Kirek | ... | General Kuznovski (uncredited) |
|
|
Letta Mbulu | ... | Club Singer (uncredited) |
| T.P. McKenna | ... | Minor Role (uncredited) | |
| James Payne | ... | Taxi Driver at Theatre (uncredited) | |
| Lon Satton | ... | Minor Role (uncredited) | |
| Tina Simmons | ... | Nightclub Patron (uncredited) | |
| Guy Standeven | ... | Party Guest (uncredited) | |
| Rudolph Walker | ... | Minor Role (uncredited) | |
Produced by
| Melville Tucker | ... | producer |
Music by
| Coleridge-Taylor Perkinson | ||
Cinematography by
| Paul Beeson | ... | director of photography |
Editing by
| Pembroke J. Herring | ||
| Peter Pitt | ||
Casting By
| Miriam Brickman | ... | (uncredited) |
Art Direction by
| Elliot Scott | ||
Makeup Department
| Harold Melvin | ... | hair stylist |
| W.T. Partleton | ... | makeup artist |
Production Management
| Terence A. Clegg | ... | unit manager (as Terence Clegg) |
| Douglas Twiddy | ... | production manager |
Second Unit Director or Assistant Director
| David Tomblin | ... | first assistant director |
| Brian W. Cook | ... | second assistant director (uncredited) |
Art Department
| Norman Reynolds | ... | set dresser (uncredited) |
Sound Department
| Claude Hitchcock | ... | sound recordist |
| Gordon K. McCallum | ... | sound recordist |
| Chris Munro | ... | sound assistant |
| Allan Sones | ... | dubbing editor |
| Keith Batten | ... | boom operator (uncredited) |
Stunts
| Tony Brubaker | ... | stunt double: Sidney Poitier (uncredited) |
| Joe Powell | ... | stunts (uncredited) |
Camera and Electrical Department
| Derek V. Browne | ... | camera operator (as Derek Browne) |
| Norman Gryspeerdt | ... | still photographer (uncredited) |
Costume and Wardrobe Department
| John Wilson-Apperson | ... | wardrobe supervisor |
Editorial Department
| Anthony Morris | ... | assistant editor |
| Robert Richardson | ... | assistant editor |
Music Department
| Coleridge-Taylor Perkinson | ... | conductor |
Script and Continuity Department
| Doreen Soan | ... | continuity |
Additional Crew
| Malcolm Atterbury Jr. | ... | assistant: director |
| John Trehy | ... | production accountant |
| Harry Baird | ... | assistant to director (uncredited) |
| Robin Demetriou | ... | cast and crew chef (uncredited) |
| Jean Osborne | ... | unit publicist (uncredited) |
| Janet Turner | ... | production secretary (uncredited) |
