The demon clown Killjoy is resurrected once again, but this time he is not given the name of his victim and is trapped in his realm. Using a magic mirror he lures four unsuspecting college students into his realm where he can have his macabre fun! A mysterious man returns and we finally discover who Killjoy's true target is!
Unfortunately the movie Killjoy 3 is not yet available on HBO Max.
| Directing | John Lechago | Director |
| Writing | John Lechago | Writer |
| Production | Charles Band | Producer |
| Production | Henry Luk | Executive Producer |
| Camera | Terrance Ryker | Director of Photography |
| Editing | Danny Draven | Editor |
| Costume & Make-Up | E. Dee Biddlecome | Costume Design |
| Directing | Jack King | Script Supervisor |
| Production | Kingwing Chung | Unit Production Manager |
| Production | Jeremiah Lutes | Casting Director |
| Art | Joe Walser | Production Design |
| Art | Innes Zhang | Art Direction |
| Costume & Make-Up | Rayni He | Makeup & Hair |
| Art | Linna Lin | Property Master |
| Sound | Michael Sean Colin | Music Producer |
| Sound | Michael Sean Colin | Original Music Composer |
| Directing | Fred Sun | First Assistant Director |
| Directing | Max Chan | Second Assistant Director |
| Directing | Seventeen Xie | Third Assistant Director |
| Camera | Cameo Chen | First Assistant Camera |
| Camera | Kin Lee | Second Assistant Camera |
| Camera | Hubert Wong | Dolly Grip |
| Camera | Cease Huang | Still Photographer |
| Lighting | Frank Lee | Gaffer |
| Camera | JR Cheng | Grip |
| Lighting | JR Cheng | Electrician |
| Camera | Lu Shufen | Grip |
| Lighting | Lu Shufen | Electrician |
| Camera | Liu Dejun | Grip |
| Lighting | Liu Dejun | Electrician |
| Camera | Peter Zheng | Grip |
| Lighting | Peter Zheng | Electrician |
| Sound | Sarah Liu | Sound Supervisor |
| Sound | Janesse Liang | Sound Mixer |
| Sound | Ping Liu | Boom Operator |
| Costume & Make-Up | He Ping | Costume Supervisor |
| Costume & Make-Up | Rayni He | Key Makeup Artist |
| Costume & Make-Up | Louise Lai | Assistant Makeup Artist |
| Costume & Make-Up | Style Le | Assistant Makeup Artist |
| Costume & Make-Up | Shi Jingjing | Assistant Makeup Artist |
| Costume & Make-Up | Sunny Li | Assistant Makeup Artist |
| Costume & Make-Up | Pand Peng | Assistant Makeup Artist |
| Costume & Make-Up | Wen Yaxuan | Assistant Makeup Artist |
| Costume & Make-Up | Peng Xue | Assistant Makeup Artist |
| Crew | Wu Laiqing | Carpenter |
| Crew | Lao Shuifang | Carpenter |
| Crew | Li Kunqiang | Carpenter |
| Crew | Luo Guofei | Carpenter |
| Crew | Ding Bikun | Carpenter |
| Art | Yao An'de | Painter |
| Art | Liu Dongliang | Painter |
| Production | Queenie Zhou | Accountant |
| Crew | Helen Wong | Translator |
| Crew | TT Tan | Translator |
| Crew | Grace Zhang | Translator |
| Crew | Zhong Zhengwen | Driver |
| Crew | Wang Chaohong | Driver |
| Crew | Huang Changquan | Driver |
| Crew | Xie Guo'an | Driver |
| Editing | Henry Gordon Jago | Lead Editor |
| Crew | Henry Gordon Jago | Post Production Supervisor |
| Editing | Juan Patricio | Additional Editing |
| Crew | Li Guoliang | Chef |
| Crew | Zhang Zhonghua | Chef |
| Crew | Al Burk | Fight Choreographer |
| Crew | 'Evil' Ted Smith | Thanks |
| Crew | Stuart Gordon | Thanks |
