When his former secretary is accused of a murder, Perry Mason gives up a judgeship to defend her.
| Directing | Ron Satlof | Director |
| Writing | Dean Hargrove | Writer |
| Writing | Erle Stanley Gardner | Novel |
| Production | Fred Silverman | Executive Producer |
| Camera | Albert J. Dunk | Director of Photography |
| Sound | Dick DeBenedictis | Music |
| Directing | Blanche McDermaid | Script Supervisor |
| Sound | Gordon L. Day | Sound Re-Recording Mixer |
| Costume & Make-Up | Ronn Rynhart | Costume Designer |
| Costume & Make-Up | David R. Beecroft | Hairstylist |
| Sound | William Wistrom | Supervising Sound Editor |
| Art | Jaro Dick | Set Decoration |
| Sound | Robert Appere | Sound Re-Recording Mixer |
| Production | Richard Birnie | Executive In Charge Of Production |
| Production | Dean Hargrove | Executive Producer |
| Production | Debra Beers | Location Manager |
| Production | Ross Clydesdale | Casting |
| Editing | Robert L. Kimble | Editor |
| Production | Maria Armstrong | Casting |
| Lighting | Ray Boyle | Gaffer |
| Camera | Michael Kohne | Key Grip |
| Production | Barry Steinberg | Producer |
| Sound | Gary Bolger | Sound Re-Recording Mixer |
| Costume & Make-Up | Irene Kent | Makeup Artist |
| Costume & Make-Up | Erla Lank | Wardrobe Master |
| Production | Barbara Kelly | Production Manager |
| Art | Paul Harding | Property Master |
| Editing | Edwin F. England | Editor |
| Production | Jeff Peters | Associate Producer |
| Art | David Jaquest | Art Direction |
| Editing | Dennis Brookins | Negative Cutter |
| Sound | Bruce Carwardine | Production Sound Mixer |
| Crew | Brian O'Hara | Transportation Coordinator |
| Sound | Ted Roberts | Music Editor |
| Directing | Richard Flower | First Assistant Director |
| Sound | Fred Steiner | Main Title Theme Composer |
| Art | Wayne Fitzgerald | Main Title Designer |
| Directing | Ross Clyde | Third Assistant Director |
| Directing | Woody Sidarous | Second Assistant Director |
| Production | Eileen Mack Knight | Casting Director |
