 | Raymond Burr als Perry Mason |
 | Barbara Hale als Della Street |
 | William Katt als Paul Drake Jr. |
 | Timothy Bottoms als Father Thomas O'Neil |
 | Jon Cypher als Dr. Peter Lattimore |
 | Michele Greene als Sister Margaret |
 | James McEachin als Lt. Ed Brock |
 | Gerald S. O'Loughlin als Monsignor Kyser |
 | William Prince als Archbishop Stefan Corro |
 | Edward Winter als Jonathan Eastman |
 | Barbara Parkins als Ellen Cartwright |
 | David Ogden Stiers als D.A. Michael Reston |
 | Tom Bosley als Father Chris DeLeon |
 | Arthur Hill als Thomas Shea |
 | Hagan Beggs als Richard Logan |
 | Donna Cox |
 | Alex Diakun als Oliver Lane |
| Dennis P. Kelli |
 | Jane Mortifee |
 | David Petersen |
 | Marie Stillin |
| Ron Satlof | Director |
| Erle Stanley Gardner | Novel |
| Dick DeBenedictis | Music |
| Robert L. Kimble | Editor |
| George Ohanian | Editor |
| Richard Wilcox | Production Designer |
| Héctor R. Figueroa | Director of Photography |
| Joel Steiger | Supervising Producer |
| Barry Steinberg | Producer |
| Joel Steiger | Writer |
| Fred Silverman | Executive Producer |
| Dean Hargrove | Executive Producer |
| Jeff Peters | Associate Producer |
| Grace Gilroy | Production Manager |
| Jacques Méthé | Assistant Director |
| Patrice Leung | Assistant Director |
| Sandra Mayo | Assistant Director |
| Ronn Rynhart | Costume Design |
| Jamie Brown | Makeup Artist |
| Salli Bailey | Hairstylist |
| Jim Erickson | Set Decoration |
| Wayne McLaughlin | Property Master |
| Stephanie Nolin | Wardrobe Master |
| Ralph Parker | Production Sound Mixer |
| Duncan MacGregor | Gaffer |
| Dillard Brinson | Key Grip |
| Janice Frome | Location Manager |
| Jake Callihoo | Transportation Coordinator |
| Avi Levy | Production Controller |
| Lorraine Baird | Production Accountant |
| Robyn Britton | Production Coordinator |
| Roberta Slade | Production Secretary |
| Lindsay Walker | Casting |
| Dennis Smith | Legal Services |
| Dennis Brookins | Negative Cutter |
| Nell Banks | Assistant Editor |
| Earle Herdan | Assistant Editor |
| Regis Kimble | Editorial Staff |
| Robert L. Kimble | Post Production Supervisor |
| William Wistrom | Supervising Sound Editor |
| Ted Roberts | Music Editor |
| Richard Birnie | Executive In Charge Of Production |
| Wayne Fitzgerald | Title Designer |
| Fred Steiner | Original Music Composer |
