Wealthy writer Stephen Byrne tries to seduce the family maid, but when she resists, he kills her. Long jealous of his brother John, Stephen does his best to pin the blame for the murder on his sibling. Also affected by Stephen's arrogant dementia is his long-suffering wife Marjorie.

Louis Haywardas Stephen Byrne
Jane Wyattas Marjorie Byrne
Lee Bowmanas John Byrne
Dorothy Patrickas Emily Gaunt
Ann Shoemakeras Mrs. Ambrose
Jody Gilbertas Flora Bantam - John's housekeeper
Sarah Paddenas Mrs. Beach - Stephen's elderly cook
Peter Broccoas Harry - coroner chairing inquest
Howland Chamberlainas D.A.-prosecutor at inquest
Edward Cronjager