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.
Storyline
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.
Joseph Cotten
Whitney 'Cam' Cameron
Jean Peters
Lynn Cameron
Gary Merrill
Fred Sargent
Catherine McLeod
Maggie Sargent
Jack Kruschen
Detective Lieutenant Harold Y. Cole
Barney Phillips
Detective Captain Pringle
Freddy Ridgeway
Doug Cameron
Harry Carter
Wheeler (Uncredited)
James Gonzalez
Joe Cunningham (Uncredited)
Ed Hinton
Ed (Uncredited)
Jonathan Hole
Dr. Stevenson (Uncredited)
Mae Marsh
Anna Swenson (Uncredited)
Carleton Young
Frank Connelly (Uncredited)
Joyce McCluskey
Nurse Bobbie Brownell (Uncredited)
Grandon Rhodes
Probate Judge James J. Adams (Uncredited)
Walter Sande
District Attorney John J. Henderson (Uncredited)
Herb Butterfield
Judge at Preliminary Hearing (Uncredited)
Charles Collins
Pesticide Seller (Uncredited)
Oliver Cross
Club Member (Uncredited)
Bess Flowers
Maggie's Friend at Club (Uncredited)
Teddy Mangean
Attendant (Uncredited)
Tyler McVey
Police Lab Technician (Uncredited)
George Melford
Bailiff (Uncredited)
Harold Miller
Lynn's Lawyer (Uncredited)
Hans Moebus
Lawyer (Uncredited)
Eugene Borden
Headwaiter (Uncredited)
Raymond Gray
Waiter (Uncredited)
Arthur J. Flaven
Waiter (Uncredited)
Jack Deery
Restaurant Patron (Uncredited)
Kenneth Gibson
Restaurant Patron (Uncredited)
Don Kohler
Ship's Officer (Uncredited)
Thomas Martin
Ship's Cocktail Waiter (Uncredited)
Alex Ball
Ship's Passenger (Uncredited)
Herbert Lytton
Ship's Doctor (Uncredited)
Bert Stevens
Ship's Headwaiter (Uncredited)
Charles Tannen
Detective (Uncredited)
Bernard Sell
Detective (Uncredited)
Julian Upton
Detective (Uncredited)
Guy Kingsford
Detective (Uncredited)
Herbert Ellis
Detective (Uncredited)
Ray Hyke
Hospital Pharmacist (Uncredited)
Aline Towne
Hospital File Clerk (Uncredited)
Marjorie Stapp
Nurse (Uncredited)
Sally Yarnell
Nurse (Uncredited)
Pamela Duncan
Nurse (Uncredited)
