All eyes focus on the Vatican, watching for the traditional puffs of white smoke that signal the election of the next Pope. This time much more is at stake. The new pontiff may be the only person who can bring peace to a world on the brink of nuclear nightmare.
| Directing | Michael Anderson | Director |
| Writing | John Patrick | Screenplay |
| Writing | James Kennaway | Screenplay |
| Sound | Alex North | Original Music Composer |
| Art | Edward C. Carfagno | Art Direction |
| Editing | Ernest Walter | Editor |
| Camera | Erwin Hillier | Director of Photography |
| Art | George W. Davis | Art Direction |
| Production | George Englund | Producer |
| Writing | Morris L. West | Novel |
| Art | Dorcy Howard | Set Decoration |
| Art | Hugh Hunt | Set Decoration |
| Costume & Make-Up | Orietta Nasalli Rocca | Costume Design |
| Costume & Make-Up | Giancarlo Del Brocco | Key Makeup Artist |
| Costume & Make-Up | Amato Garbini | Makeup Artist |
| Directing | Tony Brandt | Assistant Director |
| Sound | Kurt Doubrowsky | Sound Mixer |
| Sound | Franklin Milton | Sound Recordist |
| Camera | Ernest Day | Camera Operator |
