Investigator Jonathon Fletcher and his assistant Sajeed Rau investigate an apparently haunted mansion at the request of the woman who has inherited it.
Unfortunately the movie Dead of Night: A Darkness at Blaisedon is not yet available on HBO Max.
| Directing | Lela Swift | Director |
| Writing | Dan Curtis | Writer |
| Writing | Sam Hall | Writer |
| Sound | Bob Cobert | Original Music Composer |
| Editing | John Oldsewski | Editor |
| Production | Marion Dougherty | Casting |
| Art | Trevor Williams | Art Direction |
| Costume & Make-Up | Ramsey Mostoller | Costume Design |
| Costume & Make-Up | Lee Baygan | Makeup Artist |
| Costume & Make-Up | Ted Long | Hairstylist |
| Production | J. Philip Miller | Unit Manager |
| Sound | Mahlon Fox | Sound |
| Crew | Alex Stevens | Stunt Coordinator |
| Crew | Arnold Dick | Cinematography |
| Lighting | Bill Klages | Lighting Director |
| Sound | Irving Robbin | Music Editor |
| Production | George DiCenzo | Producer's Assistant |
| Production | Karen Kayser | Production Assistant |
| Crew | Heino Ripp | Technical Supervisor |
