Evelyn, an emotionally vulnerable and unstable woman, stays at the home of her doctor Dan Proctor. There she meets and falls in love with his brother, Douglas, who is happily married to Ann. Evelyn then sets forth to break up the happy marriage and win the love of Douglas.
Unfortunately the movie Guest in the House is not yet available on HBO Max.
| Directing | John Brahm | Director |
| Production | Hunt Stromberg | Producer |
| Sound | Werner Janssen | Original Music Composer |
| Camera | Lee Garmes | Director of Photography |
| Editing | Walter Hannemann | Editor |
| Writing | Dale Eunson | Theatre Play |
| Directing | Lewis Milestone | Co-Director |
| Directing | André de Toth | Co-Director |
| Directing | John Cromwell | Co-Director |
| Writing | Ketti Frings | Screenplay |
| Writing | Katherine Albert | Original Story |
| Writing | Hagar Wilde | Theatre Play |
| Art | Nicolai Remisoff | Art Direction |
| Costume & Make-Up | Natalie Visart | Costume Design |
| Costume & Make-Up | Ern Westmore | Makeup Artist |
| Directing | Sam Nelson | Assistant Director |
| Directing | Jack Voglin | Second Unit Director |
| Art | Richard Irvine | Art Direction |
| Sound | William H. Lynch | Sound |
| Sound | Edward Nelson | Sound Mixer |
| Sound | Jack Noyes | Sound Mixer |
| Sound | William A. Wilmarth | Sound Mixer |
| Crew | Lee Zavitz | Special Effects |
| Camera | Harry Webb | Additional Camera |
| Editing | James E. Newcom | Supervising Editor |
| Sound | Werner Janssen | Conductor |
| Crew | Hunt Stromberg | Presenter |
