
Wealthy widow Helen Mercer hires a young woman, Gretchen Addison, to act as her personal assistant and companion. Unfortunately, Helen is a poor judge of character, as Gretchen is part of a murderous extortionist duo with her boyfriend, Jay. However, Gretchen has second thoughts when she develops genuine affection for Helen. When Gretchen informs Jay that she wants to call off their plot, he refuses and carries on with the plan. Now both Helen and Gretchen may be in grave danger.
Use Gatsby to find where to watch Betrayal (1974) online. This movie page brings together streaming availability, cast details, ratings, and related discovery links in one place.
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Gatsby shows where to watch Betrayal online, including streaming, rental, and purchase options when availability data is listed for your region.
Betrayal may be available through Amazon Video (Rent), Amazon Video (Buy) where those providers are listed.
The cast section includes Bob Harks, Amanda Blake, Britt Leach, and more, with links to Gatsby cast and filmography pages.
Use the related titles, genre links, and browse pages on Gatsby to find more movies and shows like Betrayal.

Wealthy widow Helen Mercer hires a young woman, Gretchen Addison, to act as her personal assistant and companion. Unfortunately, Helen is a poor judge of character, as Gretchen is part of a murderous extortionist duo with her boyfriend, Jay. However, Gretchen has second thoughts when she develops genuine affection for Helen. When Gretchen informs Jay that she wants to call off their plot, he refuses and carries on with the plan. Now both Helen and Gretchen may be in grave danger.







