North of the Rio Grande (1937)

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Hoppy's brother has been murdered and he is on the trail of the murderers. To get them he makes himself seem to be a wanted man.



(screenplay) (as Jack O'Donnell) , (dialogue) (as Jack O'Donnell) , 1 more credit »
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Director: Lesley Selander
Stars: William Boyd, Russell Hayden, George 'Gabby' Hayes


Complete credited cast:
Windy Halliday (as George Hayes)
Morris Ankrum ...
Henry Stoneham (as Stephen Morris)
Bernadene Hayes ...
Faro Annie
Jack Rutherford ...
Crowder (as John Rutherford)
Lorraine Randall ...
Mary Cassidy
Walter Long ...
Bull O'Hara
Goodwin (as Lee Cobb)
Al Ferguson ...
John Beach ...


Hoppy arives posing as an outlaw to avenge his brother's killing by Plunkett. After robbing a train and killing Plunkett, he gets to meet the boss known as the Lone Wolf and lead his next job. Seeking help from Stoneman to capture the outlaws, he realizes too late that Stoneman is the Lone Wolf and is captured. Written by Maurice VanAuken <>

Plot Summary | Add Synopsis


DOUBLE-BARRELED THRILLS! Cassidy cracks open a town to avenge his brother's murder!...Hopalong goes hunting outlaws...with a gun in his hand and a death warrant in his eye! See more »





Release Date:

28 June 1937 (USA)  »

Also Known As:

Ao Norte do Rio Grande  »

Filming Locations:

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Sound Mix:

(Western Electric Wide Range System)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


Film debut of Lee J. Cobb (billed as "Lee Cobb"). See more »


Hoppy gets shot, then tied to a chair. But in all subsequent scenes, his shirt shows no bullet hole or blood, even after Annie touches his shoulder and comes away with blood on her hand. See more »


[last lines]
Faro Annie: [wistfully as Hoppy rides out of town] Funny, all my life men like Cassidy been sayin' goodbye to me.
See more »


Followed by Hopalong Rides Again (1937) See more »

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User Reviews

immensely enjoyable Hoppy film
20 July 2014 | by (Brooklyn NY) – See all my reviews

I have to give a hearty second to zebulonguy's review here. The film shines due to its " character study .. .slow in pace... and very atmospheric" nature. He hits the nail on the head. For me Bernadene Hayes, whom I never noticed in a film before, was the best thing in the movie. She was great looking, singing, acting -- warm and sincere. Hoppy was the second best thing in the film: smiling, friendly, soft voice, warm, gentlemanly and authoritative. Also contributing was a pretty good cast which included such noted actors as Morris Ankrum and Lee J. Cobb, the president of the railroad!


The main villains were played by Morris Ankrum (the "lone wolf") as the top gang leader; Jack Rutherford as Ace Crowder (who ran the saloon-dance hall-casino) the second in command; and Al Ferguson as Deputy Sheriff Jim Plunkett, who murdered Hoppy's brother Buddy, an act which led Hoppy to the town.

Two particularly good scenes, near the end of the movie, were (1) the tense revelatory scene where Hoppy was explaining his plans to Ankrum about rounding up Ankrum's gang, not knowing that Ankrum was the gang leader, and Ankrum just then discovering that Hoppy was an undercover lawman; and (2) the exciting scene of two groups of horsemen chasing the speeding rail road train.

The following observations are all minor criticisms, and remember I loved this B-movie:

-- they never explained why the Deputy Sheriff murdered Buddy, though it was during a gunfight between the posse and the bad guys.

-- Hoppy's friend Hayden, who was angered that the authorities declared Buddy's death as "accidental," was unusually friendly afterward with the culprits Ankrum, Crowder and Plunkett.

-- Hoppy killed Plunkett in an unusualy ordinary way. Plunkettt was sent to follow Hoppy, to find Hoppy's supposed gold, and fired at Hoppy when they faced each other.

-- Hoppy went undercover to investigate the bad guys, and romanced Bernadene as a charming outlaw, and, it is a shame that we never saw the scene where Hoppy revealed his true identity to her as the great famous Hopalong Cassidy.

-- Bernadene was a major player in the story, with lots of screen time. No criticism, but she had little to do to advance the story, except to point out at the end where some characters had gone, something anyone could have done.

-- It is also odd that we never saw a reaction shot from Ankrum when he was about to die in the train crash. It's as though he disappeared from the movie. (Maybe they planned to have him in a sequel.)

-- Ankrum, the "lone wolf," had no real good reason not to kill Hoppy once Hoppy's identity was revealed and Ankrum had him tied up near the end of the movie. Also, most important, only Hoppy knew at that point that Ankrum was the Lone Wolf, so why flee town at all?

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