The Dark at the Top of the Stairs (1960) — Cast
Cast
| Addison Richards | Bomber Harris |
| Robert Eyer | Flood |
| Angela Lansbury | Mavis |
| Emerson Treacy | Banker |
| Peg La Centra | Edna |
| Frank Overton | Lacey Lynnton |
| Robert Preston | Flood |
| Robin Warga | Harold Lutz |
| Penny Parker | Gurkis Flirt |
| Dorothy McGuire | Flood |
| Lee Kinsolving | Sammy |
| Helen Wallace | Harper |
| Mary Patton | Peg |
| Eve Arden | Lottie Hope |
| Paul Comi | Jenkins |
| Ken Lynch | Harry |
| Shirley Knight | Reenie |
Crew
| William Inge | Theatre Play |
| Robert Turner | Props |
| Michael Garrison | Producer |
| Folmar Blangsted | Editor |
| Delbert Mann | Director |
| Marjorie Best | Costume Design |
| Harry Stradling Sr. | Director of Photography |
| Max Steiner | Original Music Composer |
| Harriet Frank Jr. | Screenplay |
| Irving Ravetch | Screenplay |
| Leo K. Kuter | Art Direction |
| George James Hopkins | Set Decoration |