A Blueprint for Murder
Whitney Cameron is in a quandary: he's attracted to his beautiful sister-in-law, Lynn, but also harbors serious suspicions about her. Her husband, Cameron's brother, died under mysterious circumstances, and now that the death of her stepchild, Polly, has been attributed to poisoning, he suspects that Lynn is after his late brother's estate, and killing everyone in her way.
Top cast
Joseph CottenWhitney 'Cam' Cameron
Jean PetersLynn Cameron
Gary MerrillFred Sargent
Catherine McLeodMaggie Sargent
Jack KruschenHarold Y. Cole
Barney PhillipsDetective Captain Pringle- Freddy RidgewayDoug Cameron
Harry CarterWheeler (uncredited)- James GonzalezJoe Cunningham (uncredited)
Ed HintonEd (uncredited)- Jonathan HoleDr. Stevenson (uncredited)
Mae MarshAnna Swenson (uncredited)
Below are the streaming services currently carrying the movie “A Blueprint for Murder” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch A Blueprint for Murder in Canada
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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 15 Sept 2026.