 | Raymond Burr als Perry Mason |
 | Barbara Hale als Della Street |
 | William R. Moses als Ken Malansky |
 | Teresa Wright als Helene Berman |
 | Yvette Mimieux als Danielle Altmann |
 | Ian Bannen als Otto Rosen |
 | Ian McShane als Andre Marchand |
 | Terry O'Quinn als Curt Mitchell |
 | Marcy Walker als Marie Ramsey |
 | Paul Freeman als Carl Meyerhoff |
 | Mickey Knox als Col. Butler |
 | Tim Ryan als Capt. David Berman |
 | Kim Thomson als Cathy Bramwell |
 | Brian Greene als Ambassador Todd |
 | Jeremy Hawk als Felix Altmann |
 | Paul Maxwell als Capt. Calvelli |
| Richard D. Sharp als Major Fletcher |
| Christian I. Nyby II | Director |
| Erle Stanley Gardner | Novel |
| Carol Dudley | Casting |
| Jeff Glasser | Script Supervisor |
| Albert Sales | Unit Manager |
| Eileen Horta | Supervising Sound Editor |
| Carter DeHaven Jr. | Editor |
| Daniel McKinny | Director of Photography |
| Fred Silverman | Executive Producer |
| Gary Grillo | First Assistant Director |
| Henri Grimault | First Assistant Director |
| Virginia Bach | Second Assistant Director |
| Gervaise Blattmann | Production Secretary |
| Claude Suné | Set Decoration |
| David Rosenberg | Post Production Coordinator |
| C.R. Cassey | Music Supervisor |
| Philippe Modave | Production Manager |
| Paul Le Marinel | Makeup Artist |
| Laurence Lustyk | Casting |
| Robert Benevides | Production Consultant |
| Ted Roberts | Music Editor |
| Fred Steiner | Original Music Composer |
| Marie-Odile Bertot | Production Accountant |
| Wayne Fitzgerald | Main Title Designer |
| Billy Ray Smith | Unit Production Manager |
| Reuben Cannon | Casting |
| Peter Reale | Sound Re-Recording Mixer |
| Ronn Rynhart | Costume Designer |
| Tony Miller | Production Accountant |
| Constantin Mejinsky | Art Direction |
| Pal Gyulay | Gaffer |
| Daniel Braunschweig | Props |
| Dennis Smith | Legal Services |
| Jérôme Boussier | Location Manager |
| Rémy Julienne | Stunts |
| Bill Nicholson | Sound Re-Recording Mixer |
| Mike Moder | Executive In Charge Of Production |
| Donna Colabella | Production Executive |
| Leslie Sackheim | Assistant Editor |
| Andy MacDonald | Sound Re-Recording Mixer |
| David Solomon | Co-Producer |
| George Eckstein | Writer |
| Dean Hargrove | Executive Producer |
| Pierre Berroyer | Hairstylist |
| Hal Harrison | Executive In Charge Of Post Production |
| Dick DeBenedictis | Music |
| Peter Katz | Producer |
| Kelly Andrew King | Costumer |
| Frédéric Hamelin | Sound Mixer |
| Joel Steiger | Supervising Producer |
| Dionne Smith | Makeup Artist |
| Andrea Nachman | Production Coordinator |
| Eric Faucherre | Camera Operator |
| Yvon Sausseau | Key Grip |
| Catherine Gorne-Achdjian | Costumer |
