Screenplay by Joseph Stefano, From the Novel By Robert Bloch
I was old enough back then, to see The Exorcist and Jaws start off as big best-selling novels before they became movies. The man who wrote the novel The Exorcist -- William Peter Blatty -- got to write the movie and win an Oscar for the screenplay. The man who wrote the novel Jaws -- Peter Benchley -- got to write a first draft of the movie, but had to share writers credit with Carl Gottlieb(officially) and with others(including maybe Robert Shaw) unofficially.
I was alive when Psycho the novel came out, and Psycho the movie came out a year later, but too young to remember anything; I've only read about their creation. Evidently Robert Bloch's Psycho was NOT a bestseller like The Exorcist or Jaws -- or at least not promoted as such. Rather, it was a "pulp" novel put out under Simon and Shuster's "Inner Sanctum" mystery book series. ("Inner Sanctum" being the name of an old radio show.) "Psycho" the novel sold surprisingly well and got a good review by Anthony Boucher in the New York Times(read by Hitchocck) but was considered by one Paramount reader to be "impossible for films."
And so Hitchocck was able to buy the book of Psycho dirt cheap ($9000 versus the $250,000 paid by Otto Preminger for Advise and Consent) and to produce it almost "on the sly." People weren't much waiting for the movie of Psycho as they would be for The Exorcist and Jaws. (Interestingly, Hitchcock paid as much for Tony Palladino's graphic logo for PSYCHO -- the one on all the movie posters -- as he did for the rights to the story IN the book: $9,000. A brilliant producer's decision -- that logo SELLS the movie; I consider it the greatest movie logo of all time.)
In seeking to make Psycho cheaply, Hitchcock hunted around for cheap -- but good --screenwriters. A first draft of Psycho was written by Hitchcock series TV writer James Cavenaugh("One More Mile To Go"), but rejected -- the script pulled many punches and presented Mother in the fruit cellar as a big doll with button eyes. Cavenaugh simply couldn't see Psycho on screen with the horror intact.
So Hitchcock hired -- on advice of agent Kay Brown -- writer Joseph Stefano, who had very little on his resume save an award-winning TV episode and a movie called The Black Orchid with Anthony Quinn and Sophia Loren(that Hitchcock watched for five minutes and then turned off.)
When Psycho became a big, big hit -- and soon an acknowledged classic -- both Robert Bloch (as the author of the book) and Joe Stefano( as the writer of the screenplay) parlayed that into long careers.
And word is, the two men hated each other for stealing each other's thunder.
Bloch had the better case. When he saw Joe Stefano billed as "the writer of Psycho" to promote The Naked Edge(1961), his blood boiled. After all, said Bloch, Hitchcock practically remade the book from Chapter Three on(Mary/Marion arrives at the Bates Motel) and all the big ideas were HIS: the shower murder, the house on the hill versus the motel, the split personality, Mother in the fruit cellar; the detective getting killed(albeit not on the stairs.) How could Stefano claim ANY of that as his own. "Its a good thing Stefano didn't adapt the Bible," said Bloch.
Stefano's case was that Psycho as written by Robert Bloch would have been a terrible, sleazy movie, possibly "unmakeable." Stefano found the book to be disgusting pulp(with far gorier murders than shown in the film) , and particularly didn't like the character of Norman Bates -- fat, forty, drunken, perverted. I suppose Stefano would have to share credit with Hitchcock himself for making certain changes to Bloch's book, the biggest of all being to convert fat Norman into skinny heartthrob Anthony Perkins. For his part, Stefano gave Psycho the movie two new scenes -- the opening hotel tryst and the cop stop.
But Stefano's biggest contribution to the movie of Psycho over Bloch's book seemed to be in the dialogue, which is always important.
Whereas in the parlor scene, Norman had yelled to Mary/Marion: "She's not crazy!" about his mother, Stefano softened that down to more sophisticated tension: "You mean an institution, a madhouse?"
The Marion/Norman dialogues, the Arbogast/Norman dialogues, and other dialogues are much more witty and sophisticated in the Hitchcock film than in the Bloch book.
It seems to me, however, that Bloch still won the "author of Psycho" sweepstakes. Bloch got that billing on many more movies than Stefano did: Strait-Jacket, The Psychopath, Torture Garden all come to mind. But it was tough on Bloch: folks kept expecting another Psycho from him,and never really got one.
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