Mason defends a man he had sentenced to prison when he was an appellate-court judge. Now, 18 months after the sentencing, a new witness turns up to prove the man's innocence. Mason steps in to defend the man.
Unfortunately the movie Perry Mason: The Case of the Avenging Ace is not yet available on HBO Max.
| Directing | Christian I. Nyby II | Director |
| Writing | Erle Stanley Gardner | Novel |
| Production | Dean Hargrove | Executive Producer |
| Production | Philip Saltzman | Supervising Producer |
| Production | Joel Steiger | Supervising Producer |
| Sound | Fred Steiner | Original Music Composer |
| Production | Peter Katz | Producer |
| Production | Franklin Thompson | Executive Consultant |
| Production | David Solomon | Associate Producer |
| Art | Paul Staheli | Art Direction |
| Sound | Dick DeBenedictis | Music |
| Camera | Arch Bryant | Director of Photography |
| Production | Fred Silverman | Executive Producer |
| Editing | David Solomon | Editor |
| Writing | Lee David Zlotoff | Writer |
| Directing | Gail Joyce Fortmuller | Second Assistant Director |
| Production | Reuben Cannon | Casting |
| Camera | Daniel McKinny | Second Unit Director of Photography |
| Directing | Jeff Glasser | Script Supervisor |
| Costume & Make-Up | Kelly Andrew King | Costumer |
| Costume & Make-Up | Judee Guilmette | Hairstylist |
| Camera | Douglas O'Kane | First Assistant "A" Camera |
| Crew | Robert Benjamin | Transportation Coordinator |
| Art | Randy Holland | Construction Coordinator |
| Art | Susan MacDonald-Petersen | Property Master |
| Production | Robert Benevides | Production Consultant |
| Production | Donna Colabella | Production Executive |
| Costume & Make-Up | Dee Sandella | Makeup Artist |
| Crew | Hal Harrison | Post Production Supervisor |
| Art | Wayne Fitzgerald | Main Title Designer |
| Editing | Leslie Sackheim | Assistant Editor |
| Production | Carol Dudley | Casting |
| Costume & Make-Up | Judith Scheurwater | Costumer |
| Costume & Make-Up | Brenda Moen | Hairstylist |
| Production | Billy Ray Smith | Unit Production Manager |
| Lighting | Bradford Lipson | Gaffer |
| Production | Norman Webster | Production Accountant |
| Costume & Make-Up | Ronn Rynhart | Costume Designer |
| Costume & Make-Up | Patti Dallas | Makeup Artist |
| Art | Charlie Helms | Set Decoration |
| Sound | James Emerson | Production Sound Mixer |
| Production | Andrea Korkut | Production Coordinator |
| Crew | Paul Staples | Special Effects Coordinator |
| Production | Karen Beard | Location Manager |
| Directing | Gary Grillo | First Assistant Director |
| Camera | Fred Vicarel | Key Grip |
| Crew | Dennis Smith | Legal Services |
| Sound | Stan Jones | Music Editor |
| Sound | Sam Horta | Supervising Sound Editor |
| Production | Mike Moder | Executive In Charge Of Production |
| Sound | Gregory H. Watkins | Sound Re-Recording Mixer |
| Sound | Ray O'Reilly | Sound Re-Recording Mixer |
| Sound | Neil Brody | Sound Re-Recording Mixer |
