De rechtbank heeft Norman Bates, de moordenaar van zijn moeder en twee andere personen uit het eerste deel, officiëel genezen verklaard. Na 22 jaar in een psychiatrische inrichting, keert Norman terug naar het oude familiemotel. Als snel wordt het motel wederom het decor van een aantal onverklaarbare moorden.
Nee, helaas is Psycho II nog niet beschikbaar op Netflix in Nederland.
| Directing | Richard Franklin | Director |
| Production | Hilton A. Green | Producer |
| Production | Bernard Schwartz | Executive Producer |
| Camera | Dean Cundey | Director of Photography |
| Editing | Andrew London | Editor |
| Sound | Jerry Goldsmith | Original Music Composer |
| Writing | Tom Holland | Writer |
| Writing | Robert Bloch | Characters |
| Art | John W. Corso | Production Design |
| Directing | Don Zepfel | First Assistant Director |
| Directing | Lisa Marmon | Second Assistant Director |
| Art | Martha Johnston | Set Designer |
| Crew | Greg C. Jensen | Special Effects |
| Crew | Bob Yerkes | Stunts |
| Camera | Raymond Stella | Camera Operator |
| Camera | Ronald Batzdorff | Still Photographer |
| Production | Jackie Burch | Casting |
| Art | Jennifer Polito | Set Decoration |
| Costume & Make-Up | Peter V. Saldutti | Costume Design |
| Costume & Make-Up | Marla Schlom | Costume Design |
| Costume & Make-Up | Brian Wade | Makeup Effects Designer |
| Sound | James R. Alexander | Sound Mixer |
| Sound | Lon Bender | Sound Editor |
| Sound | Patrick Clark | Boom Operator |
| Sound | Gordon Ecker | Supervising Sound Editor |
| Sound | Randy Kelley | Sound Effects Editor |
| Sound | Andrew London | Sound Designer |
| Sound | Anthony Milch | Sound Editor |
| Sound | Bob Newlan | Foley Editor |
| Sound | Mark Server | Boom Operator |
| Sound | Michael D. Wilhoit | Sound Editor |
| Sound | Glenn T. Morgan | Assistant Sound Editor |
| Sound | John Roesch | Foley Artist |
