A gangster who has commited all kinds of crimes is accused to have killed his wife. As he was not the murderer in this case Perry Mason intents to find the killer...
Unfortunately the movie Perry Mason: The Case of the Maligned Mobster is not yet available on HBO Max.
| Directing | Ron Satlof | Director |
| Writing | Erle Stanley Gardner | Novel |
| Production | Paul Staheli | Production Designer |
| Costume & Make-Up | Dee Sandella | Key Makeup Artist |
| Costume & Make-Up | Brenda Moen | Hairstylist |
| Camera | Lee Nakahara | Camera Operator |
| Crew | Gil Talamantes | Transportation Coordinator |
| Sound | Fred Steiner | Main Title Theme Composer |
| Production | Karen Beard | Location Manager |
| Art | Randy Holland | Construction Coordinator |
| Production | Mike Moder | Executive In Charge Of Production |
| Art | Susan MacDonald-Petersen | Property Master |
| Production | Robert Benevides | Production Consultant |
| Production | Reuben Cannon | Casting |
| Costume & Make-Up | Sharon T. Brunn | Costumer |
| Sound | James L. Aicholtz | Sound Re-Recording Mixer |
| Production | Billy Ray Smith | Producer |
| Sound | James Emerson | Production Sound Mixer |
| Crew | Gary Jensen | Stunt Coordinator |
| Sound | Ted Roberts | Music Editor |
| Directing | Gail Joyce Fortmuller | Second Assistant Director |
| Costume & Make-Up | Dionne Smith | Makeup Artist |
| Camera | Robert Seaman | Director of Photography |
| Production | Robert J. Ulrich | Casting |
| Editing | Victoria Jensen | Assistant Editor |
| Sound | Robert L. Harman | Sound Re-Recording Mixer |
| Editing | Carter DeHaven | Editor |
| Production | David Solomon | Producer |
| Camera | Jerry Jencks | Key Grip |
| Lighting | Bradford Lipson | Gaffer |
| Production | Andrea Nachman | Production Coordinator |
| Sound | Eileen Horta | Supervising Sound Editor |
| Sound | Dick DeBenedictis | Music |
| Production | Haya Tawatao | Post Production Coordinator |
| Writing | Sean Cholodenko | Writer |
| Production | Dean Hargrove | Executive Producer |
| Costume & Make-Up | Ronn Rynhart | Costume Designer |
| Costume & Make-Up | Kelly Andrew King | Costumer |
| Camera | Douglas O'Kane | First Assistant Camera |
| Production | Donna Colabella | Production Executive |
| Sound | Allen L. Stone | Sound Re-Recording Mixer |
| Production | Joel Steiger | Co-Executive Producer |
| Costume & Make-Up | Rosanne Bigelow | Hairstylist |
| Directing | Jeff Glasser | Script Supervisor |
| Art | Charlie Helms | Set Decoration |
| Crew | Dave West | Transportation Captain |
| Production | Billy Ray Smith | Unit Production Manager |
| Production | Hal Harrison | Executive In Charge Of Post Production |
| Production | Fred Silverman | Executive Producer |
| Costume & Make-Up | Patti Dallas | Makeup Artist |
| Production | Eric Dawson | Casting |
| Production | Pamela Knapp | Production Accountant |
| Art | Wayne Fitzgerald | Main Title Designer |
| Directing | Tom Blank | First Assistant Director |
| Crew | Dennis Smith | Legal Services |
